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

[ Upstream commit 71b5e40651d89a8685bea1592dfcd2aa61559628 ]

This error path should return -EINVAL instead of success.

Fixes: 57974a55d995 ("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>

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mld-sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/mld-sta.c
index 56f5134..1ccbe8c 100644 (file)
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mld-sta.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mld-sta.c
@@ -705,8 +705,10 @@ int iwl_mvm_mld_add_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
                        rcu_dereference_protected(mvm_sta->link[link_id],
                                                  lockdep_is_held(&mvm->mutex));
 
-               if (WARN_ON(!link_conf || !mvm_link_sta))
+               if (WARN_ON(!link_conf || !mvm_link_sta)) {
+                       ret = -EINVAL;
                        goto err;
+               }
 
                ret = iwl_mvm_mld_cfg_sta(mvm, sta, vif, link_sta, link_conf,
                                          mvm_link_sta);