[PATCH 4.19 07/56] ath9k: release allocated buffer if timed out

From: Greg Kroah-Hartman
Date: Mon Aug 03 2020 - 08:42:11 EST


From: Navid Emamdoost <navid.emamdoost@xxxxxxxxx>

[ Upstream commit 728c1e2a05e4b5fc52fab3421dce772a806612a2 ]

In ath9k_wmi_cmd, the allocated network buffer needs to be released
if timeout happens. Otherwise memory will be leaked.

Signed-off-by: Navid Emamdoost <navid.emamdoost@xxxxxxxxx>
Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/net/wireless/ath/ath9k/wmi.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/ath/ath9k/wmi.c b/drivers/net/wireless/ath/ath9k/wmi.c
index e7a3127395be9..066677bb83eb0 100644
--- a/drivers/net/wireless/ath/ath9k/wmi.c
+++ b/drivers/net/wireless/ath/ath9k/wmi.c
@@ -339,6 +339,7 @@ int ath9k_wmi_cmd(struct wmi *wmi, enum wmi_cmd_id cmd_id,
ath_dbg(common, WMI, "Timeout waiting for WMI command: %s\n",
wmi_cmd_to_name(cmd_id));
mutex_unlock(&wmi->op_mutex);
+ kfree_skb(skb);
return -ETIMEDOUT;
}

--
2.25.1