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Message-ID: <CAHp75Ve7FZQwj-aO_TJ4ddYmhRMez+CapH4YUV7s3-6zVjdLnA@mail.gmail.com>
Date: Mon, 17 May 2021 10:10:08 +0300
From: Andy Shevchenko <andy.shevchenko@...il.com>
To: Arnd Bergmann <arnd@...nel.org>
Cc: Mauro Carvalho Chehab <mchehab@...nel.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Arnd Bergmann <arnd@...db.de>,
Sakari Ailus <sakari.ailus@...ux.intel.com>,
Hans Verkuil <hverkuil@...all.nl>,
Christoph Hellwig <hch@....de>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Linux Media Mailing List <linux-media@...r.kernel.org>,
linux-staging@...ts.linux.dev
Subject: Re: [PATCH] media: atomisp: remove compat_ioctl32 code
On Mon, May 17, 2021 at 3:27 AM Arnd Bergmann <arnd@...nel.org> wrote:
>
> From: Arnd Bergmann <arnd@...db.de>
>
> This is one of the last remaining users of compat_alloc_user_space()
> and copy_in_user(), which are in the process of getting removed.
>
> As of commit 57e6b6f2303e ("media: atomisp_fops.c: disable
> atomisp_compat_ioctl32"), nothing in this file is actually getting used
> as the only reference has been stubbed out.
>
> Remove the entire file -- anyone willing to restore the functionality
> can equally well just look up the contents in the git history if needed.
Everything which removes tons of LOCs in this driver I like by default, thanks!
Reviewed-by: Andy Shevchenko <andy.shevchenko@...il.com>
> Cc: Sakari Ailus <sakari.ailus@...ux.intel.com>
> Cc: Hans Verkuil <hverkuil@...all.nl>
> Suggested-by: Christoph Hellwig <hch@....de>
> Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
> I noticed this has never made it into the kernel, and I can't
> find it in the linuxtv patchwork, so I'm resending it, so we can
> finally kill off the compat_alloc_user_space() helper
>
> drivers/staging/media/atomisp/Makefile | 1 -
> drivers/staging/media/atomisp/TODO | 5 +
> .../atomisp/pci/atomisp_compat_ioctl32.c | 1202 -----------------
> .../staging/media/atomisp/pci/atomisp_fops.c | 8 +-
> 4 files changed, 8 insertions(+), 1208 deletions(-)
> delete mode 100644 drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c
>
> diff --git a/drivers/staging/media/atomisp/Makefile b/drivers/staging/media/atomisp/Makefile
> index 51498b2e85b8..606b7754fdfd 100644
> --- a/drivers/staging/media/atomisp/Makefile
> +++ b/drivers/staging/media/atomisp/Makefile
> @@ -16,7 +16,6 @@ atomisp-objs += \
> pci/atomisp_acc.o \
> pci/atomisp_cmd.o \
> pci/atomisp_compat_css20.o \
> - pci/atomisp_compat_ioctl32.o \
> pci/atomisp_csi2.o \
> pci/atomisp_drvfs.o \
> pci/atomisp_file.o \
> diff --git a/drivers/staging/media/atomisp/TODO b/drivers/staging/media/atomisp/TODO
> index 6987bb2d32cf..2d1ef9eb262a 100644
> --- a/drivers/staging/media/atomisp/TODO
> +++ b/drivers/staging/media/atomisp/TODO
> @@ -120,6 +120,11 @@ TODO
> for this driver until the other work is done, as there will be a lot
> of code churn until this driver becomes functional again.
>
> +16. Fix private ioctls to not need a compat_ioctl handler for running
> + 32-bit tasks. The compat code has been removed because of bugs,
> + and should not be needed for modern drivers. Fixing this properly
> + unfortunately means an incompatible ABI change.
> +
> Limitations
> ===========
>
> diff --git a/drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c b/drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c
> deleted file mode 100644
> index e5553df5bad4..000000000000
> --- a/drivers/staging/media/atomisp/pci/atomisp_compat_ioctl32.c
> +++ /dev/null
> @@ -1,1202 +0,0 @@
> -// SPDX-License-Identifier: GPL-2.0
> -/*
> - * Support for Intel Camera Imaging ISP subsystem.
> - *
> - * Copyright (c) 2013 Intel Corporation. All Rights Reserved.
> - *
> - * This program is free software; you can redistribute it and/or
> - * modify it under the terms of the GNU General Public License version
> - * 2 as published by the Free Software Foundation.
> - *
> - * This program is distributed in the hope that it will be useful,
> - * but WITHOUT ANY WARRANTY; without even the implied warranty of
> - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> - * GNU General Public License for more details.
> - *
> - *
> - */
> -#ifdef CONFIG_COMPAT
> -#include <linux/compat.h>
> -
> -#include <linux/videodev2.h>
> -
> -#include "atomisp_internal.h"
> -#include "atomisp_compat.h"
> -#include "atomisp_ioctl.h"
> -#include "atomisp_compat_ioctl32.h"
> -
> -/* Macros borrowed from v4l2-compat-ioctl32.c */
> -
> -#define get_user_cast(__x, __ptr) \
> -({ \
> - get_user(__x, (typeof(*__ptr) __user *)(__ptr)); \
> -})
> -
> -#define put_user_force(__x, __ptr) \
> -({ \
> - put_user((typeof(*__x) __force *)(__x), __ptr); \
> -})
> -
> -/* Use the same argument order as copy_in_user */
> -#define assign_in_user(to, from) \
> -({ \
> - typeof(*from) __assign_tmp; \
> - \
> - get_user_cast(__assign_tmp, from) || put_user(__assign_tmp, to);\
> -})
> -
> -static int get_atomisp_histogram32(struct atomisp_histogram __user *kp,
> - struct atomisp_histogram32 __user *up)
> -{
> - compat_uptr_t tmp;
> -
> - if (!access_ok(up, sizeof(struct atomisp_histogram32)) ||
> - assign_in_user(&kp->num_elements, &up->num_elements) ||
> - get_user(tmp, &up->data) ||
> - put_user(compat_ptr(tmp), &kp->data))
> - return -EFAULT;
> -
> - return 0;
> -}
> -
> -static int put_atomisp_histogram32(struct atomisp_histogram __user *kp,
> - struct atomisp_histogram32 __user *up)
> -{
> - void __user *tmp;
> -
> - if (!access_ok(up, sizeof(struct atomisp_histogram32)) ||
> - assign_in_user(&up->num_elements, &kp->num_elements) ||
> - get_user(tmp, &kp->data) ||
> - put_user(ptr_to_compat(tmp), &up->data))
> - return -EFAULT;
> -
> - return 0;
> -}
> -
> -static int get_v4l2_framebuffer32(struct v4l2_framebuffer __user *kp,
> - struct v4l2_framebuffer32 __user *up)
> -{
> - compat_uptr_t tmp;
> -
> - if (!access_ok(up, sizeof(struct v4l2_framebuffer32)) ||
> - get_user(tmp, &up->base) ||
> - put_user_force(compat_ptr(tmp), &kp->base) ||
> - assign_in_user(&kp->capability, &up->capability) ||
> - assign_in_user(&kp->flags, &up->flags) ||
> - copy_in_user(&kp->fmt, &up->fmt, sizeof(kp->fmt)))
> - return -EFAULT;
> -
> - return 0;
> -}
> -
> -static int get_atomisp_dis_statistics32(struct atomisp_dis_statistics __user *kp,
> - struct atomisp_dis_statistics32 __user *up)
> -{
> - compat_uptr_t hor_prod_odd_real;
> - compat_uptr_t hor_prod_odd_imag;
> - compat_uptr_t hor_prod_even_real;
> - compat_uptr_t hor_prod_even_imag;
> - compat_uptr_t ver_prod_odd_real;
> - compat_uptr_t ver_prod_odd_imag;
> - compat_uptr_t ver_prod_even_real;
> - compat_uptr_t ver_prod_even_imag;
> -
> - if (!access_ok(up, sizeof(struct atomisp_dis_statistics32)) ||
> - copy_in_user(kp, up, sizeof(struct atomisp_dvs_grid_info)) ||
> - get_user(hor_prod_odd_real,
> - &up->dvs2_stat.hor_prod.odd_real) ||
> - get_user(hor_prod_odd_imag,
> - &up->dvs2_stat.hor_prod.odd_imag) ||
> - get_user(hor_prod_even_real,
> - &up->dvs2_stat.hor_prod.even_real) ||
> - get_user(hor_prod_even_imag,
> - &up->dvs2_stat.hor_prod.even_imag) ||
> - get_user(ver_prod_odd_real,
> - &up->dvs2_stat.ver_prod.odd_real) ||
> - get_user(ver_prod_odd_imag,
> - &up->dvs2_stat.ver_prod.odd_imag) ||
> - get_user(ver_prod_even_real,
> - &up->dvs2_stat.ver_prod.even_real) ||
> - get_user(ver_prod_even_imag,
> - &up->dvs2_stat.ver_prod.even_imag) ||
> - assign_in_user(&kp->exp_id, &up->exp_id) ||
> - put_user(compat_ptr(hor_prod_odd_real),
> - &kp->dvs2_stat.hor_prod.odd_real) ||
> - put_user(compat_ptr(hor_prod_odd_imag),
> - &kp->dvs2_stat.hor_prod.odd_imag) ||
> - put_user(compat_ptr(hor_prod_even_real),
> - &kp->dvs2_stat.hor_prod.even_real) ||
> - put_user(compat_ptr(hor_prod_even_imag),
> - &kp->dvs2_stat.hor_prod.even_imag) ||
> - put_user(compat_ptr(ver_prod_odd_real),
> - &kp->dvs2_stat.ver_prod.odd_real) ||
> - put_user(compat_ptr(ver_prod_odd_imag),
> - &kp->dvs2_stat.ver_prod.odd_imag) ||
> - put_user(compat_ptr(ver_prod_even_real),
> - &kp->dvs2_stat.ver_prod.even_real) ||
> - put_user(compat_ptr(ver_prod_even_imag),
> - &kp->dvs2_stat.ver_prod.even_imag))
> - return -EFAULT;
> -
> - return 0;
> -}
> -
> -static int put_atomisp_dis_statistics32(struct atomisp_dis_statistics __user *kp,
> - struct atomisp_dis_statistics32 __user *up)
> -{
> - void __user *hor_prod_odd_real;
> - void __user *hor_prod_odd_imag;
> - void __user *hor_prod_even_real;
> - void __user *hor_prod_even_imag;
> - void __user *ver_prod_odd_real;
> - void __user *ver_prod_odd_imag;
> - void __user *ver_prod_even_real;
> - void __user *ver_prod_even_imag;
> -
> - if (!!access_ok(up, sizeof(struct atomisp_dis_statistics32)) ||
> - copy_in_user(up, kp, sizeof(struct atomisp_dvs_grid_info)) ||
> - get_user(hor_prod_odd_real,
> - &kp->dvs2_stat.hor_prod.odd_real) ||
> - get_user(hor_prod_odd_imag,
> - &kp->dvs2_stat.hor_prod.odd_imag) ||
> - get_user(hor_prod_even_real,
> - &kp->dvs2_stat.hor_prod.even_real) ||
> - get_user(hor_prod_even_imag,
> - &kp->dvs2_stat.hor_prod.even_imag) ||
> - get_user(ver_prod_odd_real,
> - &kp->dvs2_stat.ver_prod.odd_real) ||
> - get_user(ver_prod_odd_imag,
> - &kp->dvs2_stat.ver_prod.odd_imag) ||
> - get_user(ver_prod_even_real,
> - &kp->dvs2_stat.ver_prod.even_real) ||
> - get_user(ver_prod_even_imag,
> - &kp->dvs2_stat.ver_prod.even_imag) ||
> - put_user(ptr_to_compat(hor_prod_odd_real),
> - &up->dvs2_stat.hor_prod.odd_real) ||
> - put_user(ptr_to_compat(hor_prod_odd_imag),
> - &up->dvs2_stat.hor_prod.odd_imag) ||
> - put_user(ptr_to_compat(hor_prod_even_real),
> - &up->dvs2_stat.hor_prod.even_real) ||
> - put_user(ptr_to_compat(hor_prod_even_imag),
> - &up->dvs2_stat.hor_prod.even_imag) ||
> - put_user(ptr_to_compat(ver_prod_odd_real),
> - &up->dvs2_stat.ver_prod.odd_real) ||
> - put_user(ptr_to_compat(ver_prod_odd_imag),
> - &up->dvs2_stat.ver_prod.odd_imag) ||
> - put_user(ptr_to_compat(ver_prod_even_real),
> - &up->dvs2_stat.ver_prod.even_real) ||
> - put_user(ptr_to_compat(ver_prod_even_imag),
> - &up->dvs2_stat.ver_prod.even_imag) ||
> - assign_in_user(&up->exp_id, &kp->exp_id))
> - return -EFAULT;
> -
> - return 0;
> -}
> -
> -static int get_atomisp_dis_coefficients32(struct atomisp_dis_coefficients __user *kp,
> - struct atomisp_dis_coefficients32 __user *up)
> -{
> - compat_uptr_t hor_coefs_odd_real;
> - compat_uptr_t hor_coefs_odd_imag;
> - compat_uptr_t hor_coefs_even_real;
> - compat_uptr_t hor_coefs_even_imag;
> - compat_uptr_t ver_coefs_odd_real;
> - compat_uptr_t ver_coefs_odd_imag;
> - compat_uptr_t ver_coefs_even_real;
> - compat_uptr_t ver_coefs_even_imag;
> -
> - if (!access_ok(up, sizeof(struct atomisp_dis_coefficients32)) ||
> - copy_in_user(kp, up, sizeof(struct atomisp_dvs_grid_info)) ||
> - get_user(hor_coefs_odd_real, &up->hor_coefs.odd_real) ||
> - get_user(hor_coefs_odd_imag, &up->hor_coefs.odd_imag) ||
> - get_user(hor_coefs_even_real, &up->hor_coefs.even_real) ||
> - get_user(hor_coefs_even_imag, &up->hor_coefs.even_imag) ||
> - get_user(ver_coefs_odd_real, &up->ver_coefs.odd_real) ||
> - get_user(ver_coefs_odd_imag, &up->ver_coefs.odd_imag) ||
> - get_user(ver_coefs_even_real, &up->ver_coefs.even_real) ||
> - get_user(ver_coefs_even_imag, &up->ver_coefs.even_imag) ||
> - put_user(compat_ptr(hor_coefs_odd_real),
> - &kp->hor_coefs.odd_real) ||
> - put_user(compat_ptr(hor_coefs_odd_imag),
> - &kp->hor_coefs.odd_imag) ||
> - put_user(compat_ptr(hor_coefs_even_real),
> - &kp->hor_coefs.even_real) ||
> - put_user(compat_ptr(hor_coefs_even_imag),
> - &kp->hor_coefs.even_imag) ||
> - put_user(compat_ptr(ver_coefs_odd_real),
> - &kp->ver_coefs.odd_real) ||
> - put_user(compat_ptr(ver_coefs_odd_imag),
> - &kp->ver_coefs.odd_imag) ||
> - put_user(compat_ptr(ver_coefs_even_real),
> - &kp->ver_coefs.even_real) ||
> - put_user(compat_ptr(ver_coefs_even_imag),
> - &kp->ver_coefs.even_imag))
> - return -EFAULT;
> -
> - return 0;
> -}
> -
> -static int get_atomisp_dvs_6axis_config32(struct atomisp_dvs_6axis_config __user *kp,
> - struct atomisp_dvs_6axis_config32 __user *up)
> -{
> - compat_uptr_t xcoords_y;
> - compat_uptr_t ycoords_y;
> - compat_uptr_t xcoords_uv;
> - compat_uptr_t ycoords_uv;
> -
> - if (!access_ok(up, sizeof(struct atomisp_dvs_6axis_config32)) ||
> - assign_in_user(&kp->exp_id, &up->exp_id) ||
> - assign_in_user(&kp->width_y, &up->width_y) ||
> - assign_in_user(&kp->height_y, &up->height_y) ||
> - assign_in_user(&kp->width_uv, &up->width_uv) ||
> - assign_in_user(&kp->height_uv, &up->height_uv) ||
> - get_user(xcoords_y, &up->xcoords_y) ||
> - get_user(ycoords_y, &up->ycoords_y) ||
> - get_user(xcoords_uv, &up->xcoords_uv) ||
> - get_user(ycoords_uv, &up->ycoords_uv) ||
> - put_user_force(compat_ptr(xcoords_y), &kp->xcoords_y) ||
> - put_user_force(compat_ptr(ycoords_y), &kp->ycoords_y) ||
> - put_user_force(compat_ptr(xcoords_uv), &kp->xcoords_uv) ||
> - put_user_force(compat_ptr(ycoords_uv), &kp->ycoords_uv))
> - return -EFAULT;
> -
> - return 0;
> -}
> -
> -static int get_atomisp_3a_statistics32(struct atomisp_3a_statistics __user *kp,
> - struct atomisp_3a_statistics32 __user *up)
> -{
> - compat_uptr_t data;
> - compat_uptr_t rgby_data;
> -
> - if (!access_ok(up, sizeof(struct atomisp_3a_statistics32)) ||
> - copy_in_user(kp, up, sizeof(struct atomisp_grid_info)) ||
> - get_user(rgby_data, &up->rgby_data) ||
> - put_user(compat_ptr(rgby_data), &kp->rgby_data) ||
> - get_user(data, &up->data) ||
> - put_user(compat_ptr(data), &kp->data) ||
> - assign_in_user(&kp->exp_id, &up->exp_id) ||
> - assign_in_user(&kp->isp_config_id, &up->isp_config_id))
> - return -EFAULT;
> -
> - return 0;
> -}
> -
> -static int put_atomisp_3a_statistics32(struct atomisp_3a_statistics __user *kp,
> - struct atomisp_3a_statistics32 __user *up)
> -{
> - void __user *data;
> - void __user *rgby_data;
> -
> - if (!access_ok(up, sizeof(struct atomisp_3a_statistics32)) ||
> - copy_in_user(up, kp, sizeof(struct atomisp_grid_info)) ||
> - get_user(rgby_data, &kp->rgby_data) ||
> - put_user(ptr_to_compat(rgby_data), &up->rgby_data) ||
> - get_user(data, &kp->data) ||
> - put_user(ptr_to_compat(data), &up->data) ||
> - assign_in_user(&up->exp_id, &kp->exp_id) ||
> - assign_in_user(&up->isp_config_id, &kp->isp_config_id))
> - return -EFAULT;
> -
> - return 0;
> -}
> -
> -static int get_atomisp_metadata_stat32(struct atomisp_metadata __user *kp,
> - struct atomisp_metadata32 __user *up)
> -{
> - compat_uptr_t data;
> - compat_uptr_t effective_width;
> -
> - if (!access_ok(up, sizeof(struct atomisp_metadata32)) ||
> - get_user(data, &up->data) ||
> - put_user(compat_ptr(data), &kp->data) ||
> - assign_in_user(&kp->width, &up->width) ||
> - assign_in_user(&kp->height, &up->height) ||
> - assign_in_user(&kp->stride, &up->stride) ||
> - assign_in_user(&kp->exp_id, &up->exp_id) ||
> - get_user(effective_width, &up->effective_width) ||
> - put_user_force(compat_ptr(effective_width), &kp->effective_width))
> - return -EFAULT;
> -
> - return 0;
> -}
> -
> -static int put_atomisp_metadata_stat32(struct atomisp_metadata __user *kp,
> - struct atomisp_metadata32 __user *up)
> -{
> - void __user *data;
> - void *effective_width;
> -
> - if (!access_ok(up, sizeof(struct atomisp_metadata32)) ||
> - get_user(data, &kp->data) ||
> - put_user(ptr_to_compat(data), &up->data) ||
> - assign_in_user(&up->width, &kp->width) ||
> - assign_in_user(&up->height, &kp->height) ||
> - assign_in_user(&up->stride, &kp->stride) ||
> - assign_in_user(&up->exp_id, &kp->exp_id) ||
> - get_user(effective_width, &kp->effective_width) ||
> - put_user(ptr_to_compat((void __user *)effective_width),
> - &up->effective_width))
> - return -EFAULT;
> -
> - return 0;
> -}
> -
> -static int
> -put_atomisp_metadata_by_type_stat32(struct atomisp_metadata_with_type __user *kp,
> - struct atomisp_metadata_with_type32 __user *up)
> -{
> - void __user *data;
> - u32 *effective_width;
> -
> - if (!access_ok(up, sizeof(struct atomisp_metadata_with_type32)) ||
> - get_user(data, &kp->data) ||
> - put_user(ptr_to_compat(data), &up->data) ||
> - assign_in_user(&up->width, &kp->width) ||
> - assign_in_user(&up->height, &kp->height) ||
> - assign_in_user(&up->stride, &kp->stride) ||
> - assign_in_user(&up->exp_id, &kp->exp_id) ||
> - get_user(effective_width, &kp->effective_width) ||
> - put_user(ptr_to_compat((void __user *)effective_width),
> - &up->effective_width) ||
> - assign_in_user(&up->type, &kp->type))
> - return -EFAULT;
> -
> - return 0;
> -}
> -
> -static int
> -get_atomisp_metadata_by_type_stat32(struct atomisp_metadata_with_type __user *kp,
> - struct atomisp_metadata_with_type32 __user *up)
> -{
> - compat_uptr_t data;
> - compat_uptr_t effective_width;
> -
> - if (!access_ok(up, sizeof(struct atomisp_metadata_with_type32)) ||
> - get_user(data, &up->data) ||
> - put_user(compat_ptr(data), &kp->data) ||
> - assign_in_user(&kp->width, &up->width) ||
> - assign_in_user(&kp->height, &up->height) ||
> - assign_in_user(&kp->stride, &up->stride) ||
> - assign_in_user(&kp->exp_id, &up->exp_id) ||
> - get_user(effective_width, &up->effective_width) ||
> - put_user_force(compat_ptr(effective_width), &kp->effective_width) ||
> - assign_in_user(&kp->type, &up->type))
> - return -EFAULT;
> -
> - return 0;
> -}
> -
> -static int
> -get_atomisp_morph_table32(struct atomisp_morph_table __user *kp,
> - struct atomisp_morph_table32 __user *up)
> -{
> - unsigned int n = ATOMISP_MORPH_TABLE_NUM_PLANES;
> -
> - if (!access_ok(up, sizeof(struct atomisp_morph_table32)) ||
> - assign_in_user(&kp->enabled, &up->enabled) ||
> - assign_in_user(&kp->width, &up->width) ||
> - assign_in_user(&kp->height, &up->height))
> - return -EFAULT;
> -
> - while (n-- > 0) {
> - compat_uptr_t coord_kp;
> -
> - if (get_user(coord_kp, &up->coordinates_x[n]) ||
> - put_user(compat_ptr(coord_kp), &kp->coordinates_x[n]) ||
> - get_user(coord_kp, &up->coordinates_y[n]) ||
> - put_user(compat_ptr(coord_kp), &kp->coordinates_y[n]))
> - return -EFAULT;
> - }
> - return 0;
> -}
> -
> -static int put_atomisp_morph_table32(struct atomisp_morph_table __user *kp,
> - struct atomisp_morph_table32 __user *up)
> -{
> - unsigned int n = ATOMISP_MORPH_TABLE_NUM_PLANES;
> -
> - if (!access_ok(up, sizeof(struct atomisp_morph_table32)) ||
> - assign_in_user(&up->enabled, &kp->enabled) ||
> - assign_in_user(&up->width, &kp->width) ||
> - assign_in_user(&up->height, &kp->height))
> - return -EFAULT;
> -
> - while (n-- > 0) {
> - void __user *coord_kp;
> -
> - if (get_user(coord_kp, &kp->coordinates_x[n]) ||
> - put_user(ptr_to_compat(coord_kp), &up->coordinates_x[n]) ||
> - get_user(coord_kp, &kp->coordinates_y[n]) ||
> - put_user(ptr_to_compat(coord_kp), &up->coordinates_y[n]))
> - return -EFAULT;
> - }
> - return 0;
> -}
> -
> -static int get_atomisp_overlay32(struct atomisp_overlay __user *kp,
> - struct atomisp_overlay32 __user *up)
> -{
> - compat_uptr_t frame;
> -
> - if (!access_ok(up, sizeof(struct atomisp_overlay32)) ||
> - get_user(frame, &up->frame) ||
> - put_user_force(compat_ptr(frame), &kp->frame) ||
> - assign_in_user(&kp->bg_y, &up->bg_y) ||
> - assign_in_user(&kp->bg_u, &up->bg_u) ||
> - assign_in_user(&kp->bg_v, &up->bg_v) ||
> - assign_in_user(&kp->blend_input_perc_y,
> - &up->blend_input_perc_y) ||
> - assign_in_user(&kp->blend_input_perc_u,
> - &up->blend_input_perc_u) ||
> - assign_in_user(&kp->blend_input_perc_v,
> - &up->blend_input_perc_v) ||
> - assign_in_user(&kp->blend_overlay_perc_y,
> - &up->blend_overlay_perc_y) ||
> - assign_in_user(&kp->blend_overlay_perc_u,
> - &up->blend_overlay_perc_u) ||
> - assign_in_user(&kp->blend_overlay_perc_v,
> - &up->blend_overlay_perc_v) ||
> - assign_in_user(&kp->overlay_start_x, &up->overlay_start_x) ||
> - assign_in_user(&kp->overlay_start_y, &up->overlay_start_y))
> - return -EFAULT;
> -
> - return 0;
> -}
> -
> -static int put_atomisp_overlay32(struct atomisp_overlay __user *kp,
> - struct atomisp_overlay32 __user *up)
> -{
> - void *frame;
> -
> - if (!access_ok(up, sizeof(struct atomisp_overlay32)) ||
> - get_user(frame, &kp->frame) ||
> - put_user(ptr_to_compat((void __user *)frame), &up->frame) ||
> - assign_in_user(&up->bg_y, &kp->bg_y) ||
> - assign_in_user(&up->bg_u, &kp->bg_u) ||
> - assign_in_user(&up->bg_v, &kp->bg_v) ||
> - assign_in_user(&up->blend_input_perc_y,
> - &kp->blend_input_perc_y) ||
> - assign_in_user(&up->blend_input_perc_u,
> - &kp->blend_input_perc_u) ||
> - assign_in_user(&up->blend_input_perc_v,
> - &kp->blend_input_perc_v) ||
> - assign_in_user(&up->blend_overlay_perc_y,
> - &kp->blend_overlay_perc_y) ||
> - assign_in_user(&up->blend_overlay_perc_u,
> - &kp->blend_overlay_perc_u) ||
> - assign_in_user(&up->blend_overlay_perc_v,
> - &kp->blend_overlay_perc_v) ||
> - assign_in_user(&up->overlay_start_x, &kp->overlay_start_x) ||
> - assign_in_user(&up->overlay_start_y, &kp->overlay_start_y))
> - return -EFAULT;
> -
> - return 0;
> -}
> -
> -static int
> -get_atomisp_calibration_group32(struct atomisp_calibration_group __user *kp,
> - struct atomisp_calibration_group32 __user *up)
> -{
> - compat_uptr_t calb_grp_values;
> -
> - if (!access_ok(up, sizeof(struct atomisp_calibration_group32)) ||
> - assign_in_user(&kp->size, &up->size) ||
> - assign_in_user(&kp->type, &up->type) ||
> - get_user(calb_grp_values, &up->calb_grp_values) ||
> - put_user_force(compat_ptr(calb_grp_values), &kp->calb_grp_values))
> - return -EFAULT;
> -
> - return 0;
> -}
> -
> -static int
> -put_atomisp_calibration_group32(struct atomisp_calibration_group __user *kp,
> - struct atomisp_calibration_group32 __user *up)
> -{
> - void *calb_grp_values;
> -
> - if (!access_ok(up, sizeof(struct atomisp_calibration_group32)) ||
> - assign_in_user(&up->size, &kp->size) ||
> - assign_in_user(&up->type, &kp->type) ||
> - get_user(calb_grp_values, &kp->calb_grp_values) ||
> - put_user(ptr_to_compat((void __user *)calb_grp_values),
> - &up->calb_grp_values))
> - return -EFAULT;
> -
> - return 0;
> -}
> -
> -static int get_atomisp_acc_fw_load32(struct atomisp_acc_fw_load __user *kp,
> - struct atomisp_acc_fw_load32 __user *up)
> -{
> - compat_uptr_t data;
> -
> - if (!access_ok(up, sizeof(struct atomisp_acc_fw_load32)) ||
> - assign_in_user(&kp->size, &up->size) ||
> - assign_in_user(&kp->fw_handle, &up->fw_handle) ||
> - get_user_cast(data, &up->data) ||
> - put_user(compat_ptr(data), &kp->data))
> - return -EFAULT;
> -
> - return 0;
> -}
> -
> -static int put_atomisp_acc_fw_load32(struct atomisp_acc_fw_load __user *kp,
> - struct atomisp_acc_fw_load32 __user *up)
> -{
> - void __user *data;
> -
> - if (!access_ok(up, sizeof(struct atomisp_acc_fw_load32)) ||
> - assign_in_user(&up->size, &kp->size) ||
> - assign_in_user(&up->fw_handle, &kp->fw_handle) ||
> - get_user(data, &kp->data) ||
> - put_user(ptr_to_compat(data), &up->data))
> - return -EFAULT;
> -
> - return 0;
> -}
> -
> -static int get_atomisp_acc_fw_arg32(struct atomisp_acc_fw_arg __user *kp,
> - struct atomisp_acc_fw_arg32 __user *up)
> -{
> - compat_uptr_t value;
> -
> - if (!access_ok(up, sizeof(struct atomisp_acc_fw_arg32)) ||
> - assign_in_user(&kp->fw_handle, &up->fw_handle) ||
> - assign_in_user(&kp->index, &up->index) ||
> - get_user(value, &up->value) ||
> - put_user(compat_ptr(value), &kp->value) ||
> - assign_in_user(&kp->size, &up->size))
> - return -EFAULT;
> -
> - return 0;
> -}
> -
> -static int put_atomisp_acc_fw_arg32(struct atomisp_acc_fw_arg __user *kp,
> - struct atomisp_acc_fw_arg32 __user *up)
> -{
> - void __user *value;
> -
> - if (!access_ok(up, sizeof(struct atomisp_acc_fw_arg32)) ||
> - assign_in_user(&up->fw_handle, &kp->fw_handle) ||
> - assign_in_user(&up->index, &kp->index) ||
> - get_user(value, &kp->value) ||
> - put_user(ptr_to_compat(value), &up->value) ||
> - assign_in_user(&up->size, &kp->size))
> - return -EFAULT;
> -
> - return 0;
> -}
> -
> -static int get_v4l2_private_int_data32(struct v4l2_private_int_data __user *kp,
> - struct v4l2_private_int_data32 __user *up)
> -{
> - compat_uptr_t data;
> -
> - if (!access_ok(up, sizeof(struct v4l2_private_int_data32)) ||
> - assign_in_user(&kp->size, &up->size) ||
> - get_user(data, &up->data) ||
> - put_user(compat_ptr(data), &kp->data) ||
> - assign_in_user(&kp->reserved[0], &up->reserved[0]) ||
> - assign_in_user(&kp->reserved[1], &up->reserved[1]))
> - return -EFAULT;
> -
> - return 0;
> -}
> -
> -static int put_v4l2_private_int_data32(struct v4l2_private_int_data __user *kp,
> - struct v4l2_private_int_data32 __user *up)
> -{
> - void __user *data;
> -
> - if (!access_ok(up, sizeof(struct v4l2_private_int_data32)) ||
> - assign_in_user(&up->size, &kp->size) ||
> - get_user(data, &kp->data) ||
> - put_user(ptr_to_compat(data), &up->data) ||
> - assign_in_user(&up->reserved[0], &kp->reserved[0]) ||
> - assign_in_user(&up->reserved[1], &kp->reserved[1]))
> - return -EFAULT;
> -
> - return 0;
> -}
> -
> -static int get_atomisp_shading_table32(struct atomisp_shading_table __user *kp,
> - struct atomisp_shading_table32 __user *up)
> -{
> - unsigned int n = ATOMISP_NUM_SC_COLORS;
> -
> - if (!access_ok(up, sizeof(struct atomisp_shading_table32)) ||
> - assign_in_user(&kp->enable, &up->enable) ||
> - assign_in_user(&kp->sensor_width, &up->sensor_width) ||
> - assign_in_user(&kp->sensor_height, &up->sensor_height) ||
> - assign_in_user(&kp->width, &up->width) ||
> - assign_in_user(&kp->height, &up->height) ||
> - assign_in_user(&kp->fraction_bits, &up->fraction_bits))
> - return -EFAULT;
> -
> - while (n-- > 0) {
> - compat_uptr_t tmp;
> -
> - if (get_user(tmp, &up->data[n]) ||
> - put_user_force(compat_ptr(tmp), &kp->data[n]))
> - return -EFAULT;
> - }
> - return 0;
> -}
> -
> -static int get_atomisp_acc_map32(struct atomisp_acc_map __user *kp,
> - struct atomisp_acc_map32 __user *up)
> -{
> - compat_uptr_t user_ptr;
> -
> - if (!access_ok(up, sizeof(struct atomisp_acc_map32)) ||
> - assign_in_user(&kp->flags, &up->flags) ||
> - assign_in_user(&kp->length, &up->length) ||
> - get_user(user_ptr, &up->user_ptr) ||
> - put_user(compat_ptr(user_ptr), &kp->user_ptr) ||
> - assign_in_user(&kp->css_ptr, &up->css_ptr) ||
> - assign_in_user(&kp->reserved[0], &up->reserved[0]) ||
> - assign_in_user(&kp->reserved[1], &up->reserved[1]) ||
> - assign_in_user(&kp->reserved[2], &up->reserved[2]) ||
> - assign_in_user(&kp->reserved[3], &up->reserved[3]))
> - return -EFAULT;
> -
> - return 0;
> -}
> -
> -static int put_atomisp_acc_map32(struct atomisp_acc_map __user *kp,
> - struct atomisp_acc_map32 __user *up)
> -{
> - void __user *user_ptr;
> -
> - if (!access_ok(up, sizeof(struct atomisp_acc_map32)) ||
> - assign_in_user(&up->flags, &kp->flags) ||
> - assign_in_user(&up->length, &kp->length) ||
> - get_user(user_ptr, &kp->user_ptr) ||
> - put_user(ptr_to_compat(user_ptr), &up->user_ptr) ||
> - assign_in_user(&up->css_ptr, &kp->css_ptr) ||
> - assign_in_user(&up->reserved[0], &kp->reserved[0]) ||
> - assign_in_user(&up->reserved[1], &kp->reserved[1]) ||
> - assign_in_user(&up->reserved[2], &kp->reserved[2]) ||
> - assign_in_user(&up->reserved[3], &kp->reserved[3]))
> - return -EFAULT;
> -
> - return 0;
> -}
> -
> -static int
> -get_atomisp_acc_s_mapped_arg32(struct atomisp_acc_s_mapped_arg __user *kp,
> - struct atomisp_acc_s_mapped_arg32 __user *up)
> -{
> - if (!access_ok(up, sizeof(struct atomisp_acc_s_mapped_arg32)) ||
> - assign_in_user(&kp->fw_handle, &up->fw_handle) ||
> - assign_in_user(&kp->memory, &up->memory) ||
> - assign_in_user(&kp->length, &up->length) ||
> - assign_in_user(&kp->css_ptr, &up->css_ptr))
> - return -EFAULT;
> -
> - return 0;
> -}
> -
> -static int
> -put_atomisp_acc_s_mapped_arg32(struct atomisp_acc_s_mapped_arg __user *kp,
> - struct atomisp_acc_s_mapped_arg32 __user *up)
> -{
> - if (!access_ok(up, sizeof(struct atomisp_acc_s_mapped_arg32)) ||
> - assign_in_user(&up->fw_handle, &kp->fw_handle) ||
> - assign_in_user(&up->memory, &kp->memory) ||
> - assign_in_user(&up->length, &kp->length) ||
> - assign_in_user(&up->css_ptr, &kp->css_ptr))
> - return -EFAULT;
> -
> - return 0;
> -}
> -
> -static int get_atomisp_parameters32(struct atomisp_parameters __user *kp,
> - struct atomisp_parameters32 __user *up)
> -{
> - int n = offsetof(struct atomisp_parameters32, output_frame) /
> - sizeof(compat_uptr_t);
> - compat_uptr_t stp, mtp, dcp, dscp;
> - struct {
> - struct atomisp_shading_table shading_table;
> - struct atomisp_morph_table morph_table;
> - struct atomisp_dis_coefficients dvs2_coefs;
> - struct atomisp_dvs_6axis_config dvs_6axis_config;
> - } __user *karg = (void __user *)(kp + 1);
> -
> - if (!access_ok(up, sizeof(struct atomisp_parameters32)))
> - return -EFAULT;
> -
> - while (n >= 0) {
> - compat_uptr_t __user *src = (compat_uptr_t __user *)up + n;
> - void * __user *dst = (void * __user *)kp + n;
> - compat_uptr_t tmp;
> -
> - if (get_user_cast(tmp, src) || put_user_force(compat_ptr(tmp), dst))
> - return -EFAULT;
> - n--;
> - }
> -
> - if (assign_in_user(&kp->isp_config_id, &up->isp_config_id) ||
> - assign_in_user(&kp->per_frame_setting, &up->per_frame_setting) ||
> - get_user(stp, &up->shading_table) ||
> - get_user(mtp, &up->morph_table) ||
> - get_user(dcp, &up->dvs2_coefs) ||
> - get_user(dscp, &up->dvs_6axis_config))
> - return -EFAULT;
> -
> - /* handle shading table */
> - if (stp && (get_atomisp_shading_table32(&karg->shading_table,
> - compat_ptr(stp)) ||
> - put_user_force(&karg->shading_table, &kp->shading_table)))
> - return -EFAULT;
> -
> - /* handle morph table */
> - if (mtp && (get_atomisp_morph_table32(&karg->morph_table,
> - compat_ptr(mtp)) ||
> - put_user_force(&karg->morph_table, &kp->morph_table)))
> - return -EFAULT;
> -
> - /* handle dvs2 coefficients */
> - if (dcp && (get_atomisp_dis_coefficients32(&karg->dvs2_coefs,
> - compat_ptr(dcp)) ||
> - put_user_force(&karg->dvs2_coefs, &kp->dvs2_coefs)))
> - return -EFAULT;
> -
> - /* handle dvs 6axis configuration */
> - if (dscp &&
> - (get_atomisp_dvs_6axis_config32(&karg->dvs_6axis_config,
> - compat_ptr(dscp)) ||
> - put_user_force(&karg->dvs_6axis_config, &kp->dvs_6axis_config)))
> - return -EFAULT;
> -
> - return 0;
> -}
> -
> -static int
> -get_atomisp_acc_fw_load_to_pipe32(struct atomisp_acc_fw_load_to_pipe __user *kp,
> - struct atomisp_acc_fw_load_to_pipe32 __user *up)
> -{
> - compat_uptr_t data;
> -
> - if (!access_ok(up, sizeof(struct atomisp_acc_fw_load_to_pipe32)) ||
> - assign_in_user(&kp->flags, &up->flags) ||
> - assign_in_user(&kp->fw_handle, &up->fw_handle) ||
> - assign_in_user(&kp->size, &up->size) ||
> - assign_in_user(&kp->type, &up->type) ||
> - assign_in_user(&kp->reserved[0], &up->reserved[0]) ||
> - assign_in_user(&kp->reserved[1], &up->reserved[1]) ||
> - assign_in_user(&kp->reserved[2], &up->reserved[2]) ||
> - get_user(data, &up->data) ||
> - put_user(compat_ptr(data), &kp->data))
> - return -EFAULT;
> -
> - return 0;
> -}
> -
> -static int
> -put_atomisp_acc_fw_load_to_pipe32(struct atomisp_acc_fw_load_to_pipe __user *kp,
> - struct atomisp_acc_fw_load_to_pipe32 __user *up)
> -{
> - void __user *data;
> -
> - if (!access_ok(up, sizeof(struct atomisp_acc_fw_load_to_pipe32)) ||
> - assign_in_user(&up->flags, &kp->flags) ||
> - assign_in_user(&up->fw_handle, &kp->fw_handle) ||
> - assign_in_user(&up->size, &kp->size) ||
> - assign_in_user(&up->type, &kp->type) ||
> - assign_in_user(&up->reserved[0], &kp->reserved[0]) ||
> - assign_in_user(&up->reserved[1], &kp->reserved[1]) ||
> - assign_in_user(&up->reserved[2], &kp->reserved[2]) ||
> - get_user(data, &kp->data) ||
> - put_user(ptr_to_compat(data), &up->data))
> - return -EFAULT;
> -
> - return 0;
> -}
> -
> -static int
> -get_atomisp_sensor_ae_bracketing_lut(struct atomisp_sensor_ae_bracketing_lut __user *kp,
> - struct atomisp_sensor_ae_bracketing_lut32 __user *up)
> -{
> - compat_uptr_t lut;
> -
> - if (!access_ok(up, sizeof(struct atomisp_sensor_ae_bracketing_lut32)) ||
> - assign_in_user(&kp->lut_size, &up->lut_size) ||
> - get_user(lut, &up->lut) ||
> - put_user_force(compat_ptr(lut), &kp->lut))
> - return -EFAULT;
> -
> - return 0;
> -}
> -
> -static long native_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
> -{
> - long ret = -ENOIOCTLCMD;
> -
> - if (file->f_op->unlocked_ioctl)
> - ret = file->f_op->unlocked_ioctl(file, cmd, arg);
> -
> - return ret;
> -}
> -
> -static long atomisp_do_compat_ioctl(struct file *file,
> - unsigned int cmd, unsigned long arg)
> -{
> - union {
> - struct atomisp_histogram his;
> - struct atomisp_dis_statistics dis_s;
> - struct atomisp_dis_coefficients dis_c;
> - struct atomisp_dvs_6axis_config dvs_c;
> - struct atomisp_3a_statistics s3a_s;
> - struct atomisp_morph_table mor_t;
> - struct v4l2_framebuffer v4l2_buf;
> - struct atomisp_overlay overlay;
> - struct atomisp_calibration_group cal_grp;
> - struct atomisp_acc_fw_load acc_fw_load;
> - struct atomisp_acc_fw_arg acc_fw_arg;
> - struct v4l2_private_int_data v4l2_pri_data;
> - struct atomisp_shading_table shd_tbl;
> - struct atomisp_acc_map acc_map;
> - struct atomisp_acc_s_mapped_arg acc_map_arg;
> - struct atomisp_parameters param;
> - struct atomisp_acc_fw_load_to_pipe acc_fw_to_pipe;
> - struct atomisp_metadata md;
> - struct atomisp_metadata_with_type md_with_type;
> - struct atomisp_sensor_ae_bracketing_lut lut;
> - } __user *karg;
> - void __user *up = compat_ptr(arg);
> - long err = -ENOIOCTLCMD;
> -
> - karg = compat_alloc_user_space(
> - sizeof(*karg) + (cmd == ATOMISP_IOC_S_PARAMETERS32 ?
> - sizeof(struct atomisp_shading_table) +
> - sizeof(struct atomisp_morph_table) +
> - sizeof(struct atomisp_dis_coefficients) +
> - sizeof(struct atomisp_dvs_6axis_config) : 0));
> - if (!karg)
> - return -ENOMEM;
> -
> - /* First, convert the command. */
> - switch (cmd) {
> - case ATOMISP_IOC_G_HISTOGRAM32:
> - cmd = ATOMISP_IOC_G_HISTOGRAM;
> - break;
> - case ATOMISP_IOC_S_HISTOGRAM32:
> - cmd = ATOMISP_IOC_S_HISTOGRAM;
> - break;
> - case ATOMISP_IOC_G_DIS_STAT32:
> - cmd = ATOMISP_IOC_G_DIS_STAT;
> - break;
> - case ATOMISP_IOC_S_DIS_COEFS32:
> - cmd = ATOMISP_IOC_S_DIS_COEFS;
> - break;
> - case ATOMISP_IOC_S_DIS_VECTOR32:
> - cmd = ATOMISP_IOC_S_DIS_VECTOR;
> - break;
> - case ATOMISP_IOC_G_3A_STAT32:
> - cmd = ATOMISP_IOC_G_3A_STAT;
> - break;
> - case ATOMISP_IOC_G_ISP_GDC_TAB32:
> - cmd = ATOMISP_IOC_G_ISP_GDC_TAB;
> - break;
> - case ATOMISP_IOC_S_ISP_GDC_TAB32:
> - cmd = ATOMISP_IOC_S_ISP_GDC_TAB;
> - break;
> - case ATOMISP_IOC_S_ISP_FPN_TABLE32:
> - cmd = ATOMISP_IOC_S_ISP_FPN_TABLE;
> - break;
> - case ATOMISP_IOC_G_ISP_OVERLAY32:
> - cmd = ATOMISP_IOC_G_ISP_OVERLAY;
> - break;
> - case ATOMISP_IOC_S_ISP_OVERLAY32:
> - cmd = ATOMISP_IOC_S_ISP_OVERLAY;
> - break;
> - case ATOMISP_IOC_G_SENSOR_CALIBRATION_GROUP32:
> - cmd = ATOMISP_IOC_G_SENSOR_CALIBRATION_GROUP;
> - break;
> - case ATOMISP_IOC_ACC_LOAD32:
> - cmd = ATOMISP_IOC_ACC_LOAD;
> - break;
> - case ATOMISP_IOC_ACC_S_ARG32:
> - cmd = ATOMISP_IOC_ACC_S_ARG;
> - break;
> - case ATOMISP_IOC_G_SENSOR_PRIV_INT_DATA32:
> - cmd = ATOMISP_IOC_G_SENSOR_PRIV_INT_DATA;
> - break;
> - case ATOMISP_IOC_S_ISP_SHD_TAB32:
> - cmd = ATOMISP_IOC_S_ISP_SHD_TAB;
> - break;
> - case ATOMISP_IOC_ACC_DESTAB32:
> - cmd = ATOMISP_IOC_ACC_DESTAB;
> - break;
> - case ATOMISP_IOC_G_MOTOR_PRIV_INT_DATA32:
> - cmd = ATOMISP_IOC_G_MOTOR_PRIV_INT_DATA;
> - break;
> - case ATOMISP_IOC_ACC_MAP32:
> - cmd = ATOMISP_IOC_ACC_MAP;
> - break;
> - case ATOMISP_IOC_ACC_UNMAP32:
> - cmd = ATOMISP_IOC_ACC_UNMAP;
> - break;
> - case ATOMISP_IOC_ACC_S_MAPPED_ARG32:
> - cmd = ATOMISP_IOC_ACC_S_MAPPED_ARG;
> - break;
> - case ATOMISP_IOC_S_PARAMETERS32:
> - cmd = ATOMISP_IOC_S_PARAMETERS;
> - break;
> - case ATOMISP_IOC_ACC_LOAD_TO_PIPE32:
> - cmd = ATOMISP_IOC_ACC_LOAD_TO_PIPE;
> - break;
> - case ATOMISP_IOC_G_METADATA32:
> - cmd = ATOMISP_IOC_G_METADATA;
> - break;
> - case ATOMISP_IOC_G_METADATA_BY_TYPE32:
> - cmd = ATOMISP_IOC_G_METADATA_BY_TYPE;
> - break;
> - case ATOMISP_IOC_S_SENSOR_AE_BRACKETING_LUT32:
> - cmd = ATOMISP_IOC_S_SENSOR_AE_BRACKETING_LUT;
> - break;
> - }
> -
> - switch (cmd) {
> - case ATOMISP_IOC_G_HISTOGRAM:
> - case ATOMISP_IOC_S_HISTOGRAM:
> - err = get_atomisp_histogram32(&karg->his, up);
> - break;
> - case ATOMISP_IOC_G_DIS_STAT:
> - err = get_atomisp_dis_statistics32(&karg->dis_s, up);
> - break;
> - case ATOMISP_IOC_S_DIS_COEFS:
> - err = get_atomisp_dis_coefficients32(&karg->dis_c, up);
> - break;
> - case ATOMISP_IOC_S_DIS_VECTOR:
> - err = get_atomisp_dvs_6axis_config32(&karg->dvs_c, up);
> - break;
> - case ATOMISP_IOC_G_3A_STAT:
> - err = get_atomisp_3a_statistics32(&karg->s3a_s, up);
> - break;
> - case ATOMISP_IOC_G_ISP_GDC_TAB:
> - case ATOMISP_IOC_S_ISP_GDC_TAB:
> - err = get_atomisp_morph_table32(&karg->mor_t, up);
> - break;
> - case ATOMISP_IOC_S_ISP_FPN_TABLE:
> - err = get_v4l2_framebuffer32(&karg->v4l2_buf, up);
> - break;
> - case ATOMISP_IOC_G_ISP_OVERLAY:
> - case ATOMISP_IOC_S_ISP_OVERLAY:
> - err = get_atomisp_overlay32(&karg->overlay, up);
> - break;
> - case ATOMISP_IOC_G_SENSOR_CALIBRATION_GROUP:
> - err = get_atomisp_calibration_group32(&karg->cal_grp, up);
> - break;
> - case ATOMISP_IOC_ACC_LOAD:
> - err = get_atomisp_acc_fw_load32(&karg->acc_fw_load, up);
> - break;
> - case ATOMISP_IOC_ACC_S_ARG:
> - case ATOMISP_IOC_ACC_DESTAB:
> - err = get_atomisp_acc_fw_arg32(&karg->acc_fw_arg, up);
> - break;
> - case ATOMISP_IOC_G_SENSOR_PRIV_INT_DATA:
> - case ATOMISP_IOC_G_MOTOR_PRIV_INT_DATA:
> - err = get_v4l2_private_int_data32(&karg->v4l2_pri_data, up);
> - break;
> - case ATOMISP_IOC_S_ISP_SHD_TAB:
> - err = get_atomisp_shading_table32(&karg->shd_tbl, up);
> - break;
> - case ATOMISP_IOC_ACC_MAP:
> - case ATOMISP_IOC_ACC_UNMAP:
> - err = get_atomisp_acc_map32(&karg->acc_map, up);
> - break;
> - case ATOMISP_IOC_ACC_S_MAPPED_ARG:
> - err = get_atomisp_acc_s_mapped_arg32(&karg->acc_map_arg, up);
> - break;
> - case ATOMISP_IOC_S_PARAMETERS:
> - err = get_atomisp_parameters32(&karg->param, up);
> - break;
> - case ATOMISP_IOC_ACC_LOAD_TO_PIPE:
> - err = get_atomisp_acc_fw_load_to_pipe32(&karg->acc_fw_to_pipe,
> - up);
> - break;
> - case ATOMISP_IOC_G_METADATA:
> - err = get_atomisp_metadata_stat32(&karg->md, up);
> - break;
> - case ATOMISP_IOC_G_METADATA_BY_TYPE:
> - err = get_atomisp_metadata_by_type_stat32(&karg->md_with_type,
> - up);
> - break;
> - case ATOMISP_IOC_S_SENSOR_AE_BRACKETING_LUT:
> - err = get_atomisp_sensor_ae_bracketing_lut(&karg->lut, up);
> - break;
> - }
> - if (err)
> - return err;
> -
> - err = native_ioctl(file, cmd, (unsigned long)karg);
> - if (err)
> - return err;
> -
> - switch (cmd) {
> - case ATOMISP_IOC_G_HISTOGRAM:
> - err = put_atomisp_histogram32(&karg->his, up);
> - break;
> - case ATOMISP_IOC_G_DIS_STAT:
> - err = put_atomisp_dis_statistics32(&karg->dis_s, up);
> - break;
> - case ATOMISP_IOC_G_3A_STAT:
> - err = put_atomisp_3a_statistics32(&karg->s3a_s, up);
> - break;
> - case ATOMISP_IOC_G_ISP_GDC_TAB:
> - err = put_atomisp_morph_table32(&karg->mor_t, up);
> - break;
> - case ATOMISP_IOC_G_ISP_OVERLAY:
> - err = put_atomisp_overlay32(&karg->overlay, up);
> - break;
> - case ATOMISP_IOC_G_SENSOR_CALIBRATION_GROUP:
> - err = put_atomisp_calibration_group32(&karg->cal_grp, up);
> - break;
> - case ATOMISP_IOC_ACC_LOAD:
> - err = put_atomisp_acc_fw_load32(&karg->acc_fw_load, up);
> - break;
> - case ATOMISP_IOC_ACC_S_ARG:
> - case ATOMISP_IOC_ACC_DESTAB:
> - err = put_atomisp_acc_fw_arg32(&karg->acc_fw_arg, up);
> - break;
> - case ATOMISP_IOC_G_SENSOR_PRIV_INT_DATA:
> - case ATOMISP_IOC_G_MOTOR_PRIV_INT_DATA:
> - err = put_v4l2_private_int_data32(&karg->v4l2_pri_data, up);
> - break;
> - case ATOMISP_IOC_ACC_MAP:
> - case ATOMISP_IOC_ACC_UNMAP:
> - err = put_atomisp_acc_map32(&karg->acc_map, up);
> - break;
> - case ATOMISP_IOC_ACC_S_MAPPED_ARG:
> - err = put_atomisp_acc_s_mapped_arg32(&karg->acc_map_arg, up);
> - break;
> - case ATOMISP_IOC_ACC_LOAD_TO_PIPE:
> - err = put_atomisp_acc_fw_load_to_pipe32(&karg->acc_fw_to_pipe,
> - up);
> - break;
> - case ATOMISP_IOC_G_METADATA:
> - err = put_atomisp_metadata_stat32(&karg->md, up);
> - break;
> - case ATOMISP_IOC_G_METADATA_BY_TYPE:
> - err = put_atomisp_metadata_by_type_stat32(&karg->md_with_type,
> - up);
> - break;
> - }
> -
> - return err;
> -}
> -
> -long atomisp_compat_ioctl32(struct file *file,
> - unsigned int cmd, unsigned long arg)
> -{
> - struct video_device *vdev = video_devdata(file);
> - struct atomisp_device *isp = video_get_drvdata(vdev);
> - long ret = -ENOIOCTLCMD;
> -
> - if (!file->f_op->unlocked_ioctl)
> - return ret;
> -
> - switch (cmd) {
> - case ATOMISP_IOC_G_XNR:
> - case ATOMISP_IOC_S_XNR:
> - case ATOMISP_IOC_G_NR:
> - case ATOMISP_IOC_S_NR:
> - case ATOMISP_IOC_G_TNR:
> - case ATOMISP_IOC_S_TNR:
> - case ATOMISP_IOC_G_BLACK_LEVEL_COMP:
> - case ATOMISP_IOC_S_BLACK_LEVEL_COMP:
> - case ATOMISP_IOC_G_EE:
> - case ATOMISP_IOC_S_EE:
> - case ATOMISP_IOC_S_DIS_VECTOR:
> - case ATOMISP_IOC_G_ISP_PARM:
> - case ATOMISP_IOC_S_ISP_PARM:
> - case ATOMISP_IOC_G_ISP_GAMMA:
> - case ATOMISP_IOC_S_ISP_GAMMA:
> - case ATOMISP_IOC_ISP_MAKERNOTE:
> - case ATOMISP_IOC_G_ISP_MACC:
> - case ATOMISP_IOC_S_ISP_MACC:
> - case ATOMISP_IOC_G_ISP_BAD_PIXEL_DETECTION:
> - case ATOMISP_IOC_S_ISP_BAD_PIXEL_DETECTION:
> - case ATOMISP_IOC_G_ISP_FALSE_COLOR_CORRECTION:
> - case ATOMISP_IOC_S_ISP_FALSE_COLOR_CORRECTION:
> - case ATOMISP_IOC_G_ISP_CTC:
> - case ATOMISP_IOC_S_ISP_CTC:
> - case ATOMISP_IOC_G_ISP_WHITE_BALANCE:
> - case ATOMISP_IOC_S_ISP_WHITE_BALANCE:
> - case ATOMISP_IOC_CAMERA_BRIDGE:
> - case ATOMISP_IOC_G_SENSOR_MODE_DATA:
> - case ATOMISP_IOC_S_EXPOSURE:
> - case ATOMISP_IOC_G_3A_CONFIG:
> - case ATOMISP_IOC_S_3A_CONFIG:
> - case ATOMISP_IOC_ACC_UNLOAD:
> - case ATOMISP_IOC_ACC_START:
> - case ATOMISP_IOC_ACC_WAIT:
> - case ATOMISP_IOC_ACC_ABORT:
> - case ATOMISP_IOC_G_ISP_GAMMA_CORRECTION:
> - case ATOMISP_IOC_S_ISP_GAMMA_CORRECTION:
> - case ATOMISP_IOC_S_CONT_CAPTURE_CONFIG:
> - case ATOMISP_IOC_G_DVS2_BQ_RESOLUTIONS:
> - case ATOMISP_IOC_EXT_ISP_CTRL:
> - case ATOMISP_IOC_EXP_ID_UNLOCK:
> - case ATOMISP_IOC_EXP_ID_CAPTURE:
> - case ATOMISP_IOC_S_ENABLE_DZ_CAPT_PIPE:
> - case ATOMISP_IOC_G_FORMATS_CONFIG:
> - case ATOMISP_IOC_S_FORMATS_CONFIG:
> - case ATOMISP_IOC_S_EXPOSURE_WINDOW:
> - case ATOMISP_IOC_S_ACC_STATE:
> - case ATOMISP_IOC_G_ACC_STATE:
> - case ATOMISP_IOC_INJECT_A_FAKE_EVENT:
> - case ATOMISP_IOC_G_SENSOR_AE_BRACKETING_INFO:
> - case ATOMISP_IOC_S_SENSOR_AE_BRACKETING_MODE:
> - case ATOMISP_IOC_G_SENSOR_AE_BRACKETING_MODE:
> - case ATOMISP_IOC_G_INVALID_FRAME_NUM:
> - case ATOMISP_IOC_S_ARRAY_RESOLUTION:
> - case ATOMISP_IOC_S_SENSOR_RUNMODE:
> - case ATOMISP_IOC_G_UPDATE_EXPOSURE:
> - ret = native_ioctl(file, cmd, arg);
> - break;
> -
> - case ATOMISP_IOC_G_HISTOGRAM32:
> - case ATOMISP_IOC_S_HISTOGRAM32:
> - case ATOMISP_IOC_G_DIS_STAT32:
> - case ATOMISP_IOC_S_DIS_COEFS32:
> - case ATOMISP_IOC_S_DIS_VECTOR32:
> - case ATOMISP_IOC_G_3A_STAT32:
> - case ATOMISP_IOC_G_ISP_GDC_TAB32:
> - case ATOMISP_IOC_S_ISP_GDC_TAB32:
> - case ATOMISP_IOC_S_ISP_FPN_TABLE32:
> - case ATOMISP_IOC_G_ISP_OVERLAY32:
> - case ATOMISP_IOC_S_ISP_OVERLAY32:
> - case ATOMISP_IOC_G_SENSOR_CALIBRATION_GROUP32:
> - case ATOMISP_IOC_ACC_LOAD32:
> - case ATOMISP_IOC_ACC_S_ARG32:
> - case ATOMISP_IOC_G_SENSOR_PRIV_INT_DATA32:
> - case ATOMISP_IOC_S_ISP_SHD_TAB32:
> - case ATOMISP_IOC_ACC_DESTAB32:
> - case ATOMISP_IOC_G_MOTOR_PRIV_INT_DATA32:
> - case ATOMISP_IOC_ACC_MAP32:
> - case ATOMISP_IOC_ACC_UNMAP32:
> - case ATOMISP_IOC_ACC_S_MAPPED_ARG32:
> - case ATOMISP_IOC_S_PARAMETERS32:
> - case ATOMISP_IOC_ACC_LOAD_TO_PIPE32:
> - case ATOMISP_IOC_G_METADATA32:
> - case ATOMISP_IOC_G_METADATA_BY_TYPE32:
> - case ATOMISP_IOC_S_SENSOR_AE_BRACKETING_LUT32:
> - ret = atomisp_do_compat_ioctl(file, cmd, arg);
> - break;
> -
> - default:
> - dev_warn(isp->dev,
> - "%s: unknown ioctl '%c', dir=%d, #%d (0x%08x)\n",
> - __func__, _IOC_TYPE(cmd), _IOC_DIR(cmd), _IOC_NR(cmd),
> - cmd);
> - break;
> - }
> - return ret;
> -}
> -#endif /* CONFIG_COMPAT */
> diff --git a/drivers/staging/media/atomisp/pci/atomisp_fops.c b/drivers/staging/media/atomisp/pci/atomisp_fops.c
> index f1e6b2597853..e383e17c5072 100644
> --- a/drivers/staging/media/atomisp/pci/atomisp_fops.c
> +++ b/drivers/staging/media/atomisp/pci/atomisp_fops.c
> @@ -1283,7 +1283,8 @@ const struct v4l2_file_operations atomisp_fops = {
> .unlocked_ioctl = video_ioctl2,
> #ifdef CONFIG_COMPAT
> /*
> - * There are problems with this code. Disable this for now.
> + * this was removed because of bugs, the interface
> + * needs to be made safe for compat tasks instead.
> .compat_ioctl32 = atomisp_compat_ioctl32,
> */
> #endif
> @@ -1297,10 +1298,7 @@ const struct v4l2_file_operations atomisp_file_fops = {
> .mmap = atomisp_file_mmap,
> .unlocked_ioctl = video_ioctl2,
> #ifdef CONFIG_COMPAT
> - /*
> - * There are problems with this code. Disable this for now.
> - .compat_ioctl32 = atomisp_compat_ioctl32,
> - */
> + /* .compat_ioctl32 = atomisp_compat_ioctl32, */
> #endif
> .poll = atomisp_poll,
> };
> --
> 2.29.2
>
--
With Best Regards,
Andy Shevchenko
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