diff options
| author | Sharon Dvir <sharon.dvir@intel.com> | 2017-02-21 10:41:31 +0200 |
|---|---|---|
| committer | Luca Coelho <luciano.coelho@intel.com> | 2017-04-25 15:17:58 +0300 |
| commit | e3df1e4b51e5e54637355db7d732fedf271530e7 (patch) | |
| tree | daa81ab72ab3229589750f438eb032aa4d82bd35 /drivers/net/wireless/intel/iwlwifi/mvm/sta.c | |
| parent | 8c5f47b15c5c1537c000e3a4c92c82c5bbf521a4 (diff) | |
iwlwifi: mvm: check if returned value is NULL
While freeing inactive queue, check mvmsta to be valid before
dereferencing it. Found by Klocwork.
Signed-off-by: Sharon Dvir <sharon.dvir@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/sta.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/sta.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c index a2a1fa06b781..fc6d854b04b6 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c @@ -495,6 +495,8 @@ static int iwl_mvm_free_inactive_queue(struct iwl_mvm *mvm, int queue, spin_unlock_bh(&mvm->queue_info_lock); mvmsta = iwl_mvm_sta_from_staid_protected(mvm, sta_id); + if (WARN_ON(!mvmsta)) + return -EINVAL; disable_agg_tids = iwl_mvm_remove_sta_queue_marking(mvm, queue); /* Disable the queue */ |