From: Namhyung Kim <namhyung@gmail.com>
To: Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>
Cc: x86@kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] x86: add __user markup on sys32_waitpid()
Date: Wed, 18 Aug 2010 10:41:08 +0900 [thread overview]
Message-ID: <1282095668-6147-1-git-send-email-namhyung@gmail.com> (raw)
stat_addr, 2nd arg, is a user pointer but was missing __user markup.
Add it.
Signed-off-by: Namhyung Kim <namhyung@gmail.com>
---
arch/x86/ia32/sys_ia32.c | 2 +-
arch/x86/include/asm/sys_ia32.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/x86/ia32/sys_ia32.c b/arch/x86/ia32/sys_ia32.c
index 3d09331..9677f8e 100644
--- a/arch/x86/ia32/sys_ia32.c
+++ b/arch/x86/ia32/sys_ia32.c
@@ -333,7 +333,7 @@ asmlinkage long sys32_alarm(unsigned int seconds)
return alarm_setitimer(seconds);
}
-asmlinkage long sys32_waitpid(compat_pid_t pid, unsigned int *stat_addr,
+asmlinkage long sys32_waitpid(compat_pid_t pid, unsigned int __user *stat_addr,
int options)
{
return compat_sys_wait4(pid, stat_addr, options, NULL);
diff --git a/arch/x86/include/asm/sys_ia32.h b/arch/x86/include/asm/sys_ia32.h
index cf4e2e3..ce7095c 100644
--- a/arch/x86/include/asm/sys_ia32.h
+++ b/arch/x86/include/asm/sys_ia32.h
@@ -40,7 +40,7 @@ asmlinkage long sys32_rt_sigprocmask(int, compat_sigset_t __user *,
compat_sigset_t __user *, unsigned int);
asmlinkage long sys32_alarm(unsigned int);
-asmlinkage long sys32_waitpid(compat_pid_t, unsigned int *, int);
+asmlinkage long sys32_waitpid(compat_pid_t, unsigned int __user *, int);
asmlinkage long sys32_sysfs(int, u32, u32);
asmlinkage long sys32_sched_rr_get_interval(compat_pid_t,
--
1.7.0.4
reply other threads:[~2010-08-18 1:41 UTC|newest]
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