Re: [PATCH] arm64: vdso: Fix "no previous prototype" warning
From: Marc Kleine-Budde <mkl@pengutronix.de>
Date: 2022-01-22 12:06:58
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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@arm.com> Cc: Will Deacon <will@kernel.org> Suggested-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Tested-by: Marc Kleine-Budde <mkl@pengutronix.de> regards, Marc -- Pengutronix e.K. | Marc Kleine-Budde | Embedded Linux | https://www.pengutronix.de | Vertretung West/Dortmund | Phone: +49-231-2826-924 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |