linux-kernel - [PATCH 5.4 70/78] rtl8xxxu: prevent leaking urb

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Date:   Tue, 14 Jan 2020 11:01:44 +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>,
        Chris Chiu <chiu@...lessm.com>,
        Kalle Valo <kvalo@...eaurora.org>,
        Ben Hutchings <ben.hutchings@...ethink.co.uk>
Subject: [PATCH 5.4 70/78] rtl8xxxu: prevent leaking urb

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

commit a2cdd07488e666aa93a49a3fc9c9b1299e27ef3c upstream.

In rtl8xxxu_submit_int_urb if usb_submit_urb fails the allocated urb
should be released.

Signed-off-by: Navid Emamdoost <navid.emamdoost@...il.com>
Reviewed-by: Chris Chiu <chiu@...lessm.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/realtek/rtl8xxxu/rtl8xxxu_core.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
@@ -5447,6 +5447,7 @@ static int rtl8xxxu_submit_int_urb(struc
 	ret = usb_submit_urb(urb, GFP_KERNEL);
 	if (ret) {
 		usb_unanchor_urb(urb);
+		usb_free_urb(urb);
 		goto error;
 	}