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ARM: 9313/1: vdso: add missing prototypes 

The __vdso_clock_* functions have no prototype, and the
__eabi_unwind_cpp_pr* functions have a prototype in a header that is
not included before the definition:

arch/arm/vdso/vgettimeofday.c:10:5: error: no previous prototype for '__vdso_clock_gettime' [-Werror=missing-prototypes]
arch/arm/vdso/vgettimeofday.c:16:5: error: no previous prototype for '__vdso_clock_gettime64' [-Werror=missing-prototypes]
arch/arm/vdso/vgettimeofday.c:22:5: error: no previous prototype for '__vdso_gettimeofday' [-Werror=missing-prototypes]
arch/arm/vdso/vgettimeofday.c:28:5: error: no previous prototype for '__vdso_clock_getres' [-Werror=missing-prototypes]
arch/arm/vdso/vgettimeofday.c:36:6: error: no previous prototype for '__aeabi_unwind_cpp_pr0' [-Werror=missing-prototypes]
arch/arm/vdso/vgettimeofday.c:40:6: error: no previous prototype for '__aeabi_unwind_cpp_pr1' [-Werror=missing-prototypes]
arch/arm/vdso/vgettimeofday.c:44:6: error: no previous prototype for '__aeabi_unwind_cpp_pr2' [-Werror=missing-prototypes]

Add the prototypes in an appropriate header and ensure that
both are included here.

Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
This commit is contained in:
Arnd Bergmann 2023-06-02 19:28:41 +01:00 committed by Russell King (Oracle)
parent 2332c61592
commit a12f8586af
2 changed files with 7 additions and 0 deletions
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5
arch/arm/include/asm/vdso.h
View File

@ -24,6 +24,11 @@ static inline void arm_install_vdso(struct mm_struct *mm, unsigned long addr)
#endif /* CONFIG_VDSO */
int __vdso_clock_gettime(clockid_t clock, struct old_timespec32 *ts);
int __vdso_clock_gettime64(clockid_t clock, struct __kernel_timespec *ts);
int __vdso_gettimeofday(struct __kernel_old_timeval *tv, struct timezone *tz);
int __vdso_clock_getres(clockid_t clock_id, struct old_timespec32 *res);
#endif /* __ASSEMBLY__ */
#endif /* __KERNEL__ */

2
arch/arm/vdso/vgettimeofday.c
View File

@ -6,6 +6,8 @@
*/
#include <linux/time.h>
#include <linux/types.h>
#include <asm/vdso.h>
#include <asm/unwind.h>
int __vdso_clock_gettime(clockid_t clock,
struct old_timespec32 *ts)