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Diffstat (limited to 'arch/s390/lib/uaccess.c')
-rw-r--r--arch/s390/lib/uaccess.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/s390/lib/uaccess.c b/arch/s390/lib/uaccess.c
index 23f866b4c7f1..7416efe8eae4 100644
--- a/arch/s390/lib/uaccess.c
+++ b/arch/s390/lib/uaccess.c
@@ -338,9 +338,6 @@ static inline unsigned long strnlen_user_srst(const char __user *src,
register unsigned long reg0 asm("0") = 0;
unsigned long tmp1, tmp2;
- if (unlikely(!size))
- return 0;
- update_primary_asce(current);
asm volatile(
" la %2,0(%1)\n"
" la %3,0(%0,%1)\n"
@@ -359,6 +356,8 @@ static inline unsigned long strnlen_user_srst(const char __user *src,
unsigned long __strnlen_user(const char __user *src, unsigned long size)
{
+ if (unlikely(!size))
+ return 0;
update_primary_asce(current);
return strnlen_user_srst(src, size);
}