mac80211: Check crypto_aead_encrypt for errors

stable inclusion
from stable-5.10.29
commit 7705c48b8695c8a05fe0c23443c5da7e84a9eb76
bugzilla: 51789

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

[ Upstream commit 58d25626 ]

crypto_aead_encrypt returns <0 on error, so if these calls are not checked,
execution may continue with failed encrypts.  It also seems that these two
crypto_aead_encrypt calls are the only instances in the codebase that are
not checked for errors.

Signed-off-by: Daniel Phan <daniel.phan36@gmail.com>
Link: https://lore.kernel.org/r/20210309204137.823268-1-daniel.phan36@gmail.com


Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Chen Jun <chenjun102@huawei.com>
Acked-by:   Weilong Chen <chenweilong@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>