diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2016-08-22 00:23:07 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-09-24 10:07:45 +0200 |
| commit | 6de81788b42ff5ce5355ffd8c92341023c628a5c (patch) | |
| tree | 0ba10721208c1d6b2a31d0a33bd6546cd41165d3 /arch/sparc | |
| parent | 22782f043e5900e14928760de0f01ef6935d7e8d (diff) | |
sparc32: fix copy_from_user()
commit 917400cecb4b52b5cde5417348322bb9c8272fa6 upstream.
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/sparc')
| -rw-r--r-- | arch/sparc/include/asm/uaccess_32.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/sparc/include/asm/uaccess_32.h b/arch/sparc/include/asm/uaccess_32.h index 64ee103dc29d..dfb542c7cc71 100644 --- a/arch/sparc/include/asm/uaccess_32.h +++ b/arch/sparc/include/asm/uaccess_32.h @@ -328,8 +328,10 @@ static inline unsigned long copy_from_user(void *to, const void __user *from, un { 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) |