diff mbox series

[4/5] ath11k: Fix memory leak in ath11k_qmi_driver_event_work

Message ID 20210913180246.193388-4-jouni@codeaurora.org (mailing list archive)
State Accepted
Commit 72de799aa9e3e064b35238ef053d2f0a49db055a
Delegated to: Kalle Valo
Headers show
Series [1/5] ath11k: Change DMA_FROM_DEVICE to DMA_TO_DEVICE when map reinjected packets | expand

Commit Message

Jouni Malinen Sept. 13, 2021, 6:02 p.m. UTC 
From: Baochen Qiang <bqiang@codeaurora.org>

The buffer pointed to by event is not freed in case
ATH11K_FLAG_UNREGISTERING bit is set, resulting in
memory leak, so fix it.

Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-01720.1-QCAHSPSWPL_V1_V2_SILICONZ_LITE-1

Fixes: d5c65159f289 ("ath11k: driver for Qualcomm IEEE 802.11ax devices")
Signed-off-by: Baochen Qiang <bqiang@codeaurora.org>
Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
---
 drivers/net/wireless/ath/ath11k/qmi.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/net/wireless/ath/ath11k/qmi.c b/drivers/net/wireless/ath/ath11k/qmi.c
index 7e82d03b0d87..0175e35849bf 100644
--- a/drivers/net/wireless/ath/ath11k/qmi.c
+++ b/drivers/net/wireless/ath/ath11k/qmi.c
@@ -2753,8 +2753,10 @@  static void ath11k_qmi_driver_event_work(struct work_struct *work)
 		list_del(&event->list);
 		spin_unlock(&qmi->event_lock);
 
-		if (test_bit(ATH11K_FLAG_UNREGISTERING, &ab->dev_flags))
+		if (test_bit(ATH11K_FLAG_UNREGISTERING, &ab->dev_flags)) {
+			kfree(event);
 			return;
+		}
 
 		switch (event->type) {
 		case ATH11K_QMI_EVENT_SERVER_ARRIVE: