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-rw-r--r--arch/s390/boot/startup.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/boot/startup.c b/arch/s390/boot/startup.c
index 885bd1dd2c82..9276e0576d0a 100644
--- a/arch/s390/boot/startup.c
+++ b/arch/s390/boot/startup.c
@@ -86,7 +86,7 @@ static int cmma_test_essa(void)
: [reg1] "=&d" (reg1),
[reg2] "=&a" (reg2),
[rc] "+&d" (rc),
- [tmp] "=&d" (tmp),
+ [tmp] "+&d" (tmp),
"+Q" (get_lowcore()->program_new_psw),
"=Q" (old)
: [psw_old] "a" (&old),