linux-kernel - Re: [PATCH 2/3] staging: r8188eu: Makefile: don't overwrite global settings

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Date:   Sun, 17 Oct 2021 14:18:30 +0200
From:   Michael Straube <straube.linux@...il.com>
To:     Martin Kaiser <martin@...ser.cx>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Larry Finger <Larry.Finger@...inger.net>,
        Phillip Potter <phil@...lpotter.co.uk>,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] staging: r8188eu: Makefile: don't overwrite global
 settings

On 10/16/21 19:35, Martin Kaiser wrote:
> Remove settings from the Makefile that are set by higher-level Makefiles.
> 
> Some of those settings might have been useful when the driver was
> maintained out of tree.
> 
> Signed-off-by: Martin Kaiser <martin@...ser.cx>
> ---
>   drivers/staging/r8188eu/Makefile | 14 --------------
>   1 file changed, 14 deletions(-)
> 
> diff --git a/drivers/staging/r8188eu/Makefile b/drivers/staging/r8188eu/Makefile
> index fccf7e6d1520..8294fb69ecf9 100644
> --- a/drivers/staging/r8188eu/Makefile
> +++ b/drivers/staging/r8188eu/Makefile
> @@ -1,8 +1,3 @@
> -SHELL := /bin/bash
> -EXTRA_CFLAGS += $(USER_EXTRA_CFLAGS)
> -EXTRA_CFLAGS += -O1
> -
> -ccflags-y += -D__CHECK_ENDIAN__
>   
>   OUTSRC_FILES :=				\
>   		hal/HalHWImg8188E_MAC.o	\
> @@ -46,15 +41,6 @@ _OS_INTFS_FILES :=				\
>   
>   _HAL_INTFS_FILES += $(OUTSRC_FILES)
>   
> -SUBARCH := $(shell uname -m | sed -e "s/i.86/i386/; s/ppc.*/powerpc/; s/armv.l/arm/; s/aarch64/arm64/;")
> -
> -ARCH ?= $(SUBARCH)
> -CROSS_COMPILE ?=
> -KVER  ?= $(if $(KERNELRELEASE),$(KERNELRELEASE),$(shell uname -r))
> -KSRC ?= $(if $(KERNEL_SRC),$(KERNEL_SRC),/lib/modules/$(KVER)/build)
> -MODDESTDIR := /lib/modules/$(KVER)/kernel/drivers/net/wireless
> -INSTALL_PREFIX :=
> -
>   rtk_core :=				\
>   		core/rtw_ap.o		\
>   		core/rtw_br_ext.o	\
> 

Hi Martin, this patch introduces a GCC warning on my system.

drivers/staging/r8188eu/os_dep/ioctl_linux.c: In function 
'rtw_wx_set_enc_ext':
drivers/staging/r8188eu/os_dep/ioctl_linux.c:1929:9: warning: 'strncpy' 
specified bound 16 equals destination size [-Wstringop-truncation]
  1929 |         strncpy((char *)param->u.crypt.alg, alg_name, 
IEEE_CRYPT_ALG_NAME_LEN);
       | 
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Regards,
Michael