wifi: iwlwifi: mvm: fix an error code in iwl_mvm_mld_add_sta()

stable inclusion
from stable-v6.6.5
commit cf3b66ecf48a752c96cf7c03c25199497df61b3d
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I8N21P

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=cf3b66ecf48a752c96cf7c03c25199497df61b3d



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[ Upstream commit 71b5e40651d89a8685bea1592dfcd2aa61559628 ]

This error path should return -EINVAL instead of success.

Fixes: 57974a55 ("wifi: iwlwifi: mvm: refactor iwl_mvm_mac_sta_state_common()")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Acked-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/75e4ea09-db58-462f-bd4e-5ad4e5e5dcb5@moroto.mountain


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