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iwlwifi: mvm: check if vif is NULL before using it

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

Signed-off-by: Sharon Dvir <sharon.dvir@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Sharon Dvir 2016-07-25 16:11:05 +03:00 committed by Luca Coelho
parent 3606479593
commit bdc98b1371
1 changed files with 2 additions and 0 deletions
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2
drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
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@ -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;
}