[PATCH 2/4] iwlwifi: mvm: check if vif is NULL before using it

[Luca Coelho <luca@xxxxxxxxx>]

From: Sharon Dvir <sharon.dvir@xxxxxxxxx>

wdev_to_ieee80211_vif() might return NULL.
Check that vif != NULL before dereferencing it.

Signed-off-by: Sharon Dvir <sharon.dvir@xxxxxxxxx>
Signed-off-by: Luca Coelho <luciano.coelho@xxxxxxxxx>
---
 drivers/net/wireless/intel/iwlwifi/mvm/mvm.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
index b4fc86d..6a615bb 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
@@ -467,6 +467,8 @@ struct iwl_mvm_vif {
 static inline struct iwl_mvm_vif *
 iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif)
 {
+	if (!vif)
+		return NULL;
 	return (void *)vif->drv_priv;
 }
 
-- 
2.8.1