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Date: Tue, 14 May 2013 11:15:17 +0530
From: Lad Prabhakar <prabhakar.csengg@...il.com>
To: LMML <linux-media@...r.kernel.org>,
uclinux-dist-devel@...ckfin.uclinux.org, ivtv-devel@...vdriver.org
Cc: linux-kernel@...r.kernel.org,
DLOS <davinci-linux-open-source@...ux.davincidsp.com>,
Mauro Carvalho Chehab <mchehab@...hat.com>,
Hans Verkuil <hans.verkuil@...co.com>,
Scott Jiang <scott.jiang.linux@...il.com>,
Jonathan Corbet <corbet@....net>,
Andy Walls <awalls@...metrocast.net>,
Mike Isely <isely@...ox.com>,
Devin Heitmueller <dheitmueller@...nellabs.com>,
Guennadi Liakhovetski <g.liakhovetski@....de>,
Antti Palosaari <crope@....fi>,
Jon Arne Jørgensen <jonarne@...arne.no>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Laurent Pinchart <laurent.pinchart@...asonboard.com>,
Alexey Klimov <klimov.linux@...il.com>,
Martin Bugge <marbugge@...co.com>,
Javier Martin <javier.martin@...ta-silicon.com>,
Frank Schäfer <fschaefer.oss@...glemail.com>,
Janne Grunau <j@...nau.net>,
"Lad, Prabhakar" <prabhakar.csengg@...il.com>
Subject: [PATCH 4/4] media: pci: remove duplicate checks for EPERM
From: Lad, Prabhakar <prabhakar.csengg@...il.com>
This patch removes check for EPERM in dbg_g/s_register and
vidioc_g/s_register as this check is already performed by core.
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@...il.com>
---
drivers/media/pci/bt8xx/bttv-driver.c | 6 ------
drivers/media/pci/cx18/cx18-av-core.c | 4 ----
drivers/media/pci/cx23885/cx23885-ioctl.c | 6 ------
drivers/media/pci/cx23885/cx23888-ir.c | 4 ----
drivers/media/pci/ivtv/ivtv-ioctl.c | 2 --
drivers/media/pci/saa7146/mxb.c | 4 ----
drivers/media/pci/saa7164/saa7164-encoder.c | 6 ------
7 files changed, 0 insertions(+), 32 deletions(-)
diff --git a/drivers/media/pci/bt8xx/bttv-driver.c b/drivers/media/pci/bt8xx/bttv-driver.c
index e7d0884..a334c94 100644
--- a/drivers/media/pci/bt8xx/bttv-driver.c
+++ b/drivers/media/pci/bt8xx/bttv-driver.c
@@ -1936,9 +1936,6 @@ static int bttv_g_register(struct file *file, void *f,
struct bttv_fh *fh = f;
struct bttv *btv = fh->btv;
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
-
if (!v4l2_chip_match_host(®->match)) {
/* TODO: subdev errors should not be ignored, this should become a
subdev helper function. */
@@ -1960,9 +1957,6 @@ static int bttv_s_register(struct file *file, void *f,
struct bttv_fh *fh = f;
struct bttv *btv = fh->btv;
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
-
if (!v4l2_chip_match_host(®->match)) {
/* TODO: subdev errors should not be ignored, this should become a
subdev helper function. */
diff --git a/drivers/media/pci/cx18/cx18-av-core.c b/drivers/media/pci/cx18/cx18-av-core.c
index 38b1d64..ba8caf0 100644
--- a/drivers/media/pci/cx18/cx18-av-core.c
+++ b/drivers/media/pci/cx18/cx18-av-core.c
@@ -1258,8 +1258,6 @@ static int cx18_av_g_register(struct v4l2_subdev *sd,
return -EINVAL;
if ((reg->reg & 0x3) != 0)
return -EINVAL;
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
reg->size = 4;
reg->val = cx18_av_read4(cx, reg->reg & 0x00000ffc);
return 0;
@@ -1274,8 +1272,6 @@ static int cx18_av_s_register(struct v4l2_subdev *sd,
return -EINVAL;
if ((reg->reg & 0x3) != 0)
return -EINVAL;
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
cx18_av_write4(cx, reg->reg & 0x00000ffc, reg->val);
return 0;
}
diff --git a/drivers/media/pci/cx23885/cx23885-ioctl.c b/drivers/media/pci/cx23885/cx23885-ioctl.c
index acdb6d5..00f5125 100644
--- a/drivers/media/pci/cx23885/cx23885-ioctl.c
+++ b/drivers/media/pci/cx23885/cx23885-ioctl.c
@@ -138,9 +138,6 @@ int cx23885_g_register(struct file *file, void *fh,
{
struct cx23885_dev *dev = ((struct cx23885_fh *)fh)->dev;
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
-
if (reg->match.type == V4L2_CHIP_MATCH_HOST) {
switch (reg->match.addr) {
case 0:
@@ -186,9 +183,6 @@ int cx23885_s_register(struct file *file, void *fh,
{
struct cx23885_dev *dev = ((struct cx23885_fh *)fh)->dev;
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
-
if (reg->match.type == V4L2_CHIP_MATCH_HOST) {
switch (reg->match.addr) {
case 0:
diff --git a/drivers/media/pci/cx23885/cx23888-ir.c b/drivers/media/pci/cx23885/cx23888-ir.c
index fa672fe..cd98651 100644
--- a/drivers/media/pci/cx23885/cx23888-ir.c
+++ b/drivers/media/pci/cx23885/cx23888-ir.c
@@ -1116,8 +1116,6 @@ static int cx23888_ir_g_register(struct v4l2_subdev *sd,
return -EINVAL;
if (addr < CX23888_IR_CNTRL_REG || addr > CX23888_IR_LEARN_REG)
return -EINVAL;
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
reg->size = 4;
reg->val = cx23888_ir_read4(state->dev, addr);
return 0;
@@ -1135,8 +1133,6 @@ static int cx23888_ir_s_register(struct v4l2_subdev *sd,
return -EINVAL;
if (addr < CX23888_IR_CNTRL_REG || addr > CX23888_IR_LEARN_REG)
return -EINVAL;
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
cx23888_ir_write4(state->dev, addr, reg->val);
return 0;
}
diff --git a/drivers/media/pci/ivtv/ivtv-ioctl.c b/drivers/media/pci/ivtv/ivtv-ioctl.c
index 9cbbce0..3e281ec 100644
--- a/drivers/media/pci/ivtv/ivtv-ioctl.c
+++ b/drivers/media/pci/ivtv/ivtv-ioctl.c
@@ -715,8 +715,6 @@ static int ivtv_itvc(struct ivtv *itv, bool get, u64 reg, u64 *val)
{
volatile u8 __iomem *reg_start;
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
if (reg >= IVTV_REG_OFFSET && reg < IVTV_REG_OFFSET + IVTV_REG_SIZE)
reg_start = itv->reg_mem - IVTV_REG_OFFSET;
else if (itv->has_cx23415 && reg >= IVTV_DECODER_OFFSET &&
diff --git a/drivers/media/pci/saa7146/mxb.c b/drivers/media/pci/saa7146/mxb.c
index 71e8bea..52cbe7a0 100644
--- a/drivers/media/pci/saa7146/mxb.c
+++ b/drivers/media/pci/saa7146/mxb.c
@@ -669,8 +669,6 @@ static int vidioc_g_register(struct file *file, void *fh, struct v4l2_dbg_regist
{
struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
if (v4l2_chip_match_host(®->match)) {
reg->val = saa7146_read(dev, reg->reg);
reg->size = 4;
@@ -684,8 +682,6 @@ static int vidioc_s_register(struct file *file, void *fh, const struct v4l2_dbg_
{
struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
if (v4l2_chip_match_host(®->match)) {
saa7146_write(dev, reg->reg, reg->val);
return 0;
diff --git a/drivers/media/pci/saa7164/saa7164-encoder.c b/drivers/media/pci/saa7164/saa7164-encoder.c
index 0b74fb2..63a72fb 100644
--- a/drivers/media/pci/saa7164/saa7164-encoder.c
+++ b/drivers/media/pci/saa7164/saa7164-encoder.c
@@ -1306,9 +1306,6 @@ static int saa7164_g_register(struct file *file, void *fh,
struct saa7164_dev *dev = port->dev;
dprintk(DBGLVL_ENC, "%s()\n", __func__);
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
-
return 0;
}
@@ -1319,9 +1316,6 @@ static int saa7164_s_register(struct file *file, void *fh,
struct saa7164_dev *dev = port->dev;
dprintk(DBGLVL_ENC, "%s()\n", __func__);
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
-
return 0;
}
#endif
--
1.7.4.1
--
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