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SubjectRe: [PATCH] net: wwan: t7xx: do not compile with -Werror
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It should have been [PATCH v2] in the subject. Do you want me to resend?

On 31. 03. 23, 8:35, Jiri Slaby (SUSE) wrote:
> When playing with various compilers or their versions, some choke on
> the t7xx code. For example (with gcc 13):
> In file included from ./arch/s390/include/generated/asm/rwonce.h:1,
> from ../include/linux/compiler.h:247,
> from ../include/linux/build_bug.h:5,
> from ../include/linux/bits.h:22,
> from ../drivers/net/wwan/t7xx/t7xx_state_monitor.c:17:
> In function 'preempt_count',
> inlined from 't7xx_fsm_append_event' at ../drivers/net/wwan/t7xx/t7xx_state_monitor.c:439:43:
> ../include/asm-generic/rwonce.h:44:26: error: array subscript 0 is outside array bounds of 'const volatile int[0]' [-Werror=array-bounds=]
>
> There is no reason for any code in the kernel to be built with -Werror
> by default. Note that we have generic CONFIG_WERROR. So if anyone wants
> -Werror, they can enable that.
>
> Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
> Link: https://lore.kernel.org/all/20230330232717.1f8bf5ea@kernel.org/
> Cc: Chandrashekar Devegowda <chandrashekar.devegowda@intel.com>
> Cc: Intel Corporation <linuxwwan@intel.com>
> Cc: Chiranjeevi Rapolu <chiranjeevi.rapolu@linux.intel.com>
> Cc: Liu Haijun <haijun.liu@mediatek.com>
> Cc: M Chetan Kumar <m.chetan.kumar@linux.intel.com>
> Cc: Ricardo Martinez <ricardo.martinez@linux.intel.com>
> Cc: Loic Poulain <loic.poulain@linaro.org>
> Cc: Sergey Ryazanov <ryazanov.s.a@gmail.com>
> Cc: Johannes Berg <johannes@sipsolutions.net>
> Cc: "David S. Miller" <davem@davemloft.net>
> Cc: Eric Dumazet <edumazet@google.com>
> Cc: Jakub Kicinski <kuba@kernel.org>
> Cc: Paolo Abeni <pabeni@redhat.com>
> Cc: netdev@vger.kernel.org
> ---
>
> Notes:
> [v2] delete the line completely
>
> drivers/net/wwan/t7xx/Makefile | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/drivers/net/wwan/t7xx/Makefile b/drivers/net/wwan/t7xx/Makefile
> index 268ff9e87e5b..2652cd00504e 100644
> --- a/drivers/net/wwan/t7xx/Makefile
> +++ b/drivers/net/wwan/t7xx/Makefile
> @@ -1,7 +1,5 @@
> # SPDX-License-Identifier: GPL-2.0-only
>
> -ccflags-y += -Werror
> -
> obj-${CONFIG_MTK_T7XX} := mtk_t7xx.o
> mtk_t7xx-y:= t7xx_pci.o \
> t7xx_pcie_mac.o \

--
js

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