From 07f3a35df190082867fa302e46cab86d7a968ff3 Mon Sep 17 00:00:00 2001 From: Heiko Carstens Date: Mon, 28 Jun 2021 23:55:53 +0200 Subject: [PATCH] s390/lib,uaccess: fix copy_in_user_mvcos() inline asm clobber list General register 0 is clobbered within the inline assembly and therefore must be listed in the clobber list. Fixes: d1e18efa8fa9 ("s390/lib,uaccess: get rid of register asm") Signed-off-by: Heiko Carstens Signed-off-by: Vasily Gorbik --- arch/s390/lib/uaccess.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/s390/lib/uaccess.c b/arch/s390/lib/uaccess.c index 67606d932825..7ec8b1fa0f08 100644 --- a/arch/s390/lib/uaccess.c +++ b/arch/s390/lib/uaccess.c @@ -224,7 +224,7 @@ static inline unsigned long copy_in_user_mvcos(void __user *to, const void __use EX_TABLE(0b,3b) : "+a" (size), "+a" (to), "+a" (from), "+a" (tmp1), "=a" (tmp2) : [spec] "d" (0x810081UL) - : "cc", "memory"); + : "cc", "memory", "0"); return size; } -- GitLab