From: Al Viro Date: Mon, 22 Aug 2016 04:23:07 +0000 (-0400) Subject: sparc32: fix copy_from_user() X-Git-Tag: v4.8-rc7~23^2~5 X-Git-Url: http://git.cascardo.eti.br/?p=cascardo%2Flinux.git;a=commitdiff_plain;h=917400cecb4b52b5cde5417348322bb9c8272fa6 sparc32: fix copy_from_user() Cc: stable@vger.kernel.org Acked-by: David S. Miller Signed-off-by: Al Viro --- diff --git a/arch/sparc/include/asm/uaccess_32.h b/arch/sparc/include/asm/uaccess_32.h index 341a5a133f48..035c89b7df5d 100644 --- a/arch/sparc/include/asm/uaccess_32.h +++ b/arch/sparc/include/asm/uaccess_32.h @@ -269,8 +269,10 @@ static inline unsigned long copy_from_user(void *to, const void __user *from, un if (!__builtin_constant_p(n)) check_object_size(to, n, false); 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)