linux-kernel - [PATCH 5.4 71/78] ath10k: fix memory leak

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Date:   Tue, 14 Jan 2020 11:01:45 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Navid Emamdoost <navid.emamdoost@...il.com>,
        Kalle Valo <kvalo@...eaurora.org>,
        Ben Hutchings <ben.hutchings@...ethink.co.uk>
Subject: [PATCH 5.4 71/78] ath10k: fix memory leak

From: Navid Emamdoost <navid.emamdoost@...il.com>

commit b8d17e7d93d2beb89e4f34c59996376b8b544792 upstream.

In ath10k_usb_hif_tx_sg the allocated urb should be released if
usb_submit_urb fails.

Signed-off-by: Navid Emamdoost <navid.emamdoost@...il.com>
Signed-off-by: Kalle Valo <kvalo@...eaurora.org>
Cc: Ben Hutchings <ben.hutchings@...ethink.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/net/wireless/ath/ath10k/usb.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/net/wireless/ath/ath10k/usb.c
+++ b/drivers/net/wireless/ath/ath10k/usb.c
@@ -443,6 +443,7 @@ static int ath10k_usb_hif_tx_sg(struct a
 			ath10k_dbg(ar, ATH10K_DBG_USB_BULK,
 				   "usb bulk transmit failed: %d\n", ret);
 			usb_unanchor_urb(urb);
+			usb_free_urb(urb);
 			ret = -EINVAL;
 			goto err_free_urb_to_pipe;
 		}