[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <lsq.1479082447.313779123@decadent.org.uk>
Date: Mon, 14 Nov 2016 00:14:07 +0000
From: Ben Hutchings <ben@...adent.org.uk>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC: akpm@...ux-foundation.org, "Al Viro" <viro@...iv.linux.org.uk>,
"David S. Miller" <davem@...emloft.net>
Subject: [PATCH 3.2 121/152] sparc32: fix copy_from_user()
3.2.84-rc1 review patch. If anyone has any objections, please let me know.
------------------
From: Al Viro <viro@...iv.linux.org.uk>
commit 917400cecb4b52b5cde5417348322bb9c8272fa6 upstream.
Acked-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Al Viro <viro@...iv.linux.org.uk>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
arch/sparc/include/asm/uaccess_32.h | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/arch/sparc/include/asm/uaccess_32.h
+++ b/arch/sparc/include/asm/uaccess_32.h
@@ -264,8 +264,10 @@ static inline unsigned long copy_from_us
{
if (n && __access_ok((unsigned long) from, n))
return __copy_user((__force void __user *) to, from, n);
- else
+ else {
+ memset(to, 0, n);
return n;
+ }
}
static inline unsigned long __copy_from_user(void *to, const void __user *from, unsigned long n)
Powered by blists - more mailing lists