diff mbox series

[4.19,49/55] rsi: fix memory leak on failed URB submission

Message ID 20200130183617.390724625@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman Jan. 30, 2020, 6:39 p.m. UTC 
From: Johan Hovold <johan@kernel.org>

commit 47768297481184932844ab01a86752ba31a38861 upstream.

Make sure to free the skb on failed receive-URB submission (e.g. on
disconnect or currently also due to a missing endpoint).

Fixes: a1854fae1414 ("rsi: improve RX packet handling in USB interface")
Cc: stable <stable@vger.kernel.org>     # 4.17
Cc: Prameela Rani Garnepudi <prameela.j04cs@gmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/net/wireless/rsi/rsi_91x_usb.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
diff mbox series

Patch

--- a/drivers/net/wireless/rsi/rsi_91x_usb.c
+++ b/drivers/net/wireless/rsi/rsi_91x_usb.c
@@ -327,8 +327,10 @@  static int rsi_rx_urb_submit(struct rsi_
 			  rx_cb);
 
 	status = usb_submit_urb(urb, GFP_KERNEL);
-	if (status)
+	if (status) {
 		rsi_dbg(ERR_ZONE, "%s: Failed in urb submission\n", __func__);
+		dev_kfree_skb(skb);
+	}
 
 	return status;
 }