s390/futex: add missing EX_TABLE entry to __futex_atomic_op()

stable inclusion
from stable-v5.10.153
commit fe187c801a44d9a6a796878f84a5ae92ed70bb7e
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I64YCA

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=fe187c801a44d9a6a796878f84a5ae92ed70bb7e

--------------------------------

commit a262d3ad upstream.

For some exception types the instruction address points behind the
instruction that caused the exception. Take that into account and add
the missing exception table entry.

Cc: <stable@vger.kernel.org>
Reviewed-by: NVasily Gorbik <gor@linux.ibm.com>
Signed-off-by: NHeiko Carstens <hca@linux.ibm.com>
Signed-off-by: NVasily Gorbik <gor@linux.ibm.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: NLipeng Sang <sanglipeng1@jd.com>

arch/s390/include/asm/futex.h

@@ -16,7 +16,8 @@
 		"3: jl    1b\n"						\
 		"   lhi   %0,0\n"					\
 		"4: sacf  768\n"					\
-		EX_TABLE(0b,4b) EX_TABLE(2b,4b) EX_TABLE(3b,4b)		\
+		EX_TABLE(0b,4b) EX_TABLE(1b,4b)				\
+		EX_TABLE(2b,4b) EX_TABLE(3b,4b)				\
 		: "=d" (ret), "=&d" (oldval), "=&d" (newval),		\
 		  "=m" (*uaddr)						\
 		: "0" (-EFAULT), "d" (oparg), "a" (uaddr),		\