Commit be56090a authored by Al Viro's avatar Al Viro Committed by Greg Kroah-Hartman

mn10300: copy_from_user() should zero on access_ok() failure...

commit ae7cc577 upstream.
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 00f2f319
......@@ -9,7 +9,7 @@
* as published by the Free Software Foundation; either version
* 2 of the Licence, or (at your option) any later version.
*/
#include <asm/uaccess.h>
#include <linux/uaccess.h>
unsigned long
__generic_copy_to_user(void *to, const void *from, unsigned long n)
......@@ -24,6 +24,8 @@ __generic_copy_from_user(void *to, const void *from, unsigned long n)
{
if (access_ok(VERIFY_READ, from, n))
__copy_user_zeroing(to, from, n);
else
memset(to, 0, n);
return n;
}
......
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