From: Sharon Dvir <[email protected]>

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

Signed-off-by: Sharon Dvir <[email protected]>
Signed-off-by: Luca Coelho <[email protected]>
---
 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

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