1 files changed, 1 insertions, 2 deletions

diff --git a/arch/s390/include/asm/facility.h b/arch/s390/include/asm/facility.h
index 1e5b27edc0c9..2ee66a65f2d4 100644
--- a/arch/s390/include/asm/facility.h
+++ b/arch/s390/include/asm/facility.h
@@ -38,12 +38,11 @@ static inline void stfle(u64 *stfle_fac_list, int size)
         unsigned long nr;
 
         preempt_disable();
-        S390_lowcore.stfl_fac_list = 0;
         asm volatile(
                 "       .insn s,0xb2b10000,0(0)\n" /* stfl */
                 "0:\n"
                 EX_TABLE(0b, 0b)
-                : "=m" (S390_lowcore.stfl_fac_list));
+                : "+m" (S390_lowcore.stfl_fac_list));
         nr = 4; /* bytes stored by stfl */
         memcpy(stfle_fac_list, &S390_lowcore.stfl_fac_list, 4);
         if (S390_lowcore.stfl_fac_list & 0x01000000) {