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iwlwifi: mvm: Free fw_status after use to avoid memory leak 

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.

Cc: stable@vger.kernel.org [3.19+]
Fixes: 2021a89d7b ("iwlwifi: mvm: treat netdetect wake up separately")
Signed-off-by: Haim Dreyfuss <haim.dreyfuss@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
This commit is contained in:
Haim Dreyfuss 2015-05-20 08:10:43 +03:00 committed by Emmanuel Grumbach
parent ba830b3d09
commit 2fc863a514
1 changed files with 3 additions and 1 deletions
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4
drivers/net/wireless/iwlwifi/mvm/d3.c
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@ -1750,8 +1750,10 @@ static void iwl_mvm_query_netdetect_reasons(struct iwl_mvm *mvm,
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;