Re: [PATCH] arm64: vdso: Fix "no previous prototype" warning

[Marc Kleine-Budde]

On 21.01.2022 12:12:34, Vincenzo Frascino wrote:
> If compiling the arm64 kernel with W=1 the following warning is produced:
> 
> | arch/arm64/kernel/vdso/vgettimeofday.c:9:5: error: no previous prototype for ‘__kernel_clock_gettime’ [-Werror=missing-prototypes]
> |     9 | int __kernel_clock_gettime(clockid_t clock,
> |       |     ^~~~~~~~~~~~~~~~~~~~~~
> | arch/arm64/kernel/vdso/vgettimeofday.c:15:5: error: no previous prototype for ‘__kernel_gettimeofday’ [-Werror=missing-prototypes]
> |    15 | int __kernel_gettimeofday(struct __kernel_old_timeval *tv,
> |       |     ^~~~~~~~~~~~~~~~~~~~~
> | arch/arm64/kernel/vdso/vgettimeofday.c:21:5: error: no previous prototype for ‘__kernel_clock_getres’ [-Werror=missing-prototypes]
> |    21 | int __kernel_clock_getres(clockid_t clock_id,
> |       |     ^~~~~~~~~~~~~~~~~~~~~
> 
> This patch removes "-Wmissing-prototypes" and "-Wmissing-declarations" compilers
> flags from the compilation of vgettimeofday.c to make possible to build the
> kernel with CONFIG_WERROR enabled.
> 
> Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
> Cc: Will Deacon <will@xxxxxxxxxx>
> Suggested-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>
> Signed-off-by: Vincenzo Frascino <vincenzo.frascino@xxxxxxx>

Tested-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>

regards,
Marc

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