stable inclusion
from stable-5.10.51
commit 87c39048ec7f1f102f8ae232823c52d39c7e3f8c
bugzilla: 175263 https://gitee.com/openeuler/kernel/issues/I4DT6F

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=87c39048ec7f1f102f8ae232823c52d39c7e3f8c

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

[ Upstream commit 7e94090a ]

clang generates deadcode.DeadStores warnings when a variable
is used to read a value, but then that value isn't used later
in the code. Fix this warning.
Signed-off-by: NPaul M Stillwell Jr <paul.m.stillwell.jr@intel.com>
Tested-by: NTony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: NTony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: NSasha Levin <sashal@kernel.org>
Signed-off-by: NChen Jun <chenjun102@huawei.com>
Acked-by: NWeilong Chen <chenweilong@huawei.com>
Signed-off-by: NChen Jun <chenjun102@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>