This is a note to let you know that I've just added the patch titled
iwlwifi: mvm: Free fw_status after use to avoid memory leak
to the 4.0-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
iwlwifi-mvm-free-fw_status-after-use-to-avoid-memory-leak.patch
and it can be found in the queue-4.0 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 2fc863a5143d64b8f06576cc3d7fd5622c5cf3b5 Mon Sep 17 00:00:00 2001
From: Haim Dreyfuss <haim.dreyfuss@xxxxxxxxx>
Date: Wed, 20 May 2015 08:10:43 +0300
Subject: iwlwifi: mvm: Free fw_status after use to avoid memory leak
From: Haim Dreyfuss <haim.dreyfuss@xxxxxxxxx>
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 <haim.dreyfuss@xxxxxxxxx>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
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;
Patches currently in stable-queue which might be from haim.dreyfuss@xxxxxxxxx are
queue-4.0/iwlwifi-mvm-free-fw_status-after-use-to-avoid-memory-leak.patch
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