4.0-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Haim Dreyfuss <[email protected]>

commit 2fc863a5143d64b8f06576cc3d7fd5622c5cf3b5 upstream.

fw_status is the only pointer pointing to a block of memory
allocated above and should be freed after use.
Note: this come from Klockwork static analyzer.

Fixes: 2021a89d7b8a ("iwlwifi: mvm: treat netdetect wake up separately")
Signed-off-by: Haim Dreyfuss <[email protected]>
Signed-off-by: Emmanuel Grumbach <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

---
 drivers/net/wireless/iwlwifi/mvm/d3.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/net/wireless/iwlwifi/mvm/d3.c
+++ b/drivers/net/wireless/iwlwifi/mvm/d3.c
@@ -1742,8 +1742,10 @@ static void iwl_mvm_query_netdetect_reas
        int i, j, n_matches, ret;
 
        fw_status = iwl_mvm_get_wakeup_status(mvm, vif);
-       if (!IS_ERR_OR_NULL(fw_status))
+       if (!IS_ERR_OR_NULL(fw_status)) {
                reasons = le32_to_cpu(fw_status->wakeup_reasons);
+               kfree(fw_status);
+       }
 
        if (reasons & IWL_WOWLAN_WAKEUP_BY_RFKILL_DEASSERTED)
                wakeup.rfkill_release = true;


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