From: Al Viro <[email protected]> commit 917400cecb4b52b5cde5417348322bb9c8272fa6 upstream.
Acked-by: David S. Miller <[email protected]> Signed-off-by: Al Viro <[email protected]> Signed-off-by: Willy Tarreau <[email protected]> --- arch/sparc/include/asm/uaccess_32.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/sparc/include/asm/uaccess_32.h b/arch/sparc/include/asm/uaccess_32.h index 53a28dd..01f6028 100644 --- a/arch/sparc/include/asm/uaccess_32.h +++ b/arch/sparc/include/asm/uaccess_32.h @@ -265,8 +265,10 @@ 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) -- 2.8.0.rc2.1.gbe9624a
