linux-kernel - [PATCH] ath10k: fix memory leak

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Message-Id: <20190920013632.30796-1-navid.emamdoost@gmail.com>
Date:   Thu, 19 Sep 2019 20:36:26 -0500
From:   Navid Emamdoost <navid.emamdoost@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     emamd001@....edu, smccaman@....edu, kjlu@....edu,
        Navid Emamdoost <navid.emamdoost@...il.com>,
        Kalle Valo <kvalo@...eaurora.org>,
        "David S. Miller" <davem@...emloft.net>,
        ath10k@...ts.infradead.org, linux-wireless@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] ath10k: fix memory leak

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

diff --git a/drivers/net/wireless/ath/ath10k/usb.c b/drivers/net/wireless/ath/ath10k/usb.c
index e1420f67f776..730ed22e08a0 100644
--- a/drivers/net/wireless/ath/ath10k/usb.c
+++ b/drivers/net/wireless/ath/ath10k/usb.c
@@ -435,6 +435,7 @@ static int ath10k_usb_hif_tx_sg(struct ath10k *ar, u8 pipe_id,
 			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;
 		}
-- 
2.17.1