From ed2ddeffa5d4a51a0d7fe8af701e86cb2fd4ce05 Mon Sep 17 00:00:00 2001
From: Xiaoming Ni <nixiaoming@huawei.com>
Date: Thu, 5 May 2022 11:01:10 +0800
Subject: clock_adjtime: Use __nonnull to avoid null pointer
clock_adjtime()/clock_adjtime64()
Add __nonnull((2)) to avoid null pointer access.
Link: https://sourceware.org/bugzilla/show_bug.cgi?id=27662
Link: https://sourceware.org/bugzilla/show_bug.cgi?id=29084
Signed-off-by: Xiaoming Ni <nixiaoming@huawei.com>
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
---
sysdeps/unix/sysv/linux/bits/time.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
(limited to 'sysdeps/unix/sysv/linux/bits')
diff --git a/sysdeps/unix/sysv/linux/bits/time.h b/sysdeps/unix/sysv/linux/bits/time.h
index efb4a014df..0485a1e181 100644
--- a/sysdeps/unix/sysv/linux/bits/time.h
+++ b/sysdeps/unix/sysv/linux/bits/time.h
@@ -75,13 +75,13 @@ extern long int __sysconf (int);
__BEGIN_DECLS
/* Tune a POSIX clock. */
-extern int clock_adjtime (__clockid_t __clock_id, struct timex *__utx) __THROW;
+extern int clock_adjtime (__clockid_t __clock_id, struct timex *__utx) __THROW __nonnull((2));
#ifdef __USE_TIME_BITS64
# if defined(__REDIRECT_NTH)
extern int __REDIRECT_NTH (clock_adjtime, (__clockid_t __clock_id,
struct timex *__utx),
- __clock_adjtime64);
+ __clock_adjtime64) __nonnull((2));
# else
# define clock_adjtime __clock_adjtime64
# endif
--
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