From d62a70fda8c7d772191ca8781dca46714efdd8cc Mon Sep 17 00:00:00 2001
From: Xiaoming Ni <nixiaoming@huawei.com>
Date: Thu, 5 May 2022 11:01:08 +0800
Subject: adjtimex/adjtimex64: Use __nonnull to avoid null pointer

Add __nonnull((1)) to the adjtimex()/adjtimex64() function declaration
    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/sys/timex.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'sysdeps/unix/sysv/linux/sys/timex.h')

diff --git a/sysdeps/unix/sysv/linux/sys/timex.h b/sysdeps/unix/sysv/linux/sys/timex.h
index 60d9481..430e475 100644
--- a/sysdeps/unix/sysv/linux/sys/timex.h
+++ b/sysdeps/unix/sysv/linux/sys/timex.h
@@ -55,7 +55,7 @@ struct ntptimeval
 __BEGIN_DECLS
 
 #ifndef __USE_TIME_BITS64
-extern int adjtimex (struct timex *__ntx) __THROW;
+extern int adjtimex (struct timex *__ntx) __THROW __nonnull ((1));
 extern int ntp_gettimex (struct ntptimeval *__ntv) __THROW;
 
 # ifdef __REDIRECT_NTH
@@ -68,7 +68,7 @@ extern int ntp_adjtime (struct timex *__tntx) __THROW;
 #else
 # ifdef __REDIRECT_NTH
 extern int __REDIRECT_NTH (adjtimex, (struct timex *__ntx),
-                           ___adjtimex64);
+                           ___adjtimex64) __nonnull ((1));
 extern int __REDIRECT_NTH (ntp_gettime, (struct ntptimeval *__ntv),
                            __ntp_gettime64);
 extern int __REDIRECT_NTH (ntp_gettimex, (struct ntptimeval *__ntv),
-- 
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