From: Baochen Qiang bqiang@codeaurora.org
[ Upstream commit 72de799aa9e3e064b35238ef053d2f0a49db055a ]
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 Signed-off-by: Kalle Valo kvalo@codeaurora.org Link: https://lore.kernel.org/r/20210913180246.193388-4-jouni@codeaurora.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/wireless/ath/ath11k/qmi.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/ath/ath11k/qmi.c b/drivers/net/wireless/ath/ath11k/qmi.c index b5e34d670715e..4c5071b7d11dc 100644 --- a/drivers/net/wireless/ath/ath11k/qmi.c +++ b/drivers/net/wireless/ath/ath11k/qmi.c @@ -2707,8 +2707,10 @@ 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: