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[04/16] ARM: vdso: add missing prototypes

Message ID 20230516154605.517690-5-arnd@kernel.org (mailing list archive)
State New, archived
Headers show
Series ARM: address -Wmissing-prototype warnings | expand

Commit Message

Arnd Bergmann May 16, 2023, 3:45 p.m. UTC 
From: Arnd Bergmann <arnd@arndb.de>

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.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 arch/arm/include/asm/vdso.h   | 5 +++++
 arch/arm/vdso/vgettimeofday.c | 2 ++
 2 files changed, 7 insertions(+)
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Patch

diff --git a/arch/arm/include/asm/vdso.h b/arch/arm/include/asm/vdso.h
index 5b85889f82ee..422c3afa806a 100644
--- a/arch/arm/include/asm/vdso.h
+++ b/arch/arm/include/asm/vdso.h
@@ -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__ */
diff --git a/arch/arm/vdso/vgettimeofday.c b/arch/arm/vdso/vgettimeofday.c
index 1976c6f325a4..a003beacac76 100644
--- a/arch/arm/vdso/vgettimeofday.c
+++ b/arch/arm/vdso/vgettimeofday.c
@@ -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)