linux-kernel - [PATCH] staging: rtl8192u: release memory on error path

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Date:   Thu, 19 Sep 2019 20:42:54 -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>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Nishka Dasgupta <nishkadg.linux@...il.com>,
        Colin Ian King <colin.king@...onical.com>,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: [PATCH] staging: rtl8192u: release memory on error path

In rtl819xU_tx_cmd if usb_submit_urb fails the allocated memories should
be released.

Signed-off-by: Navid Emamdoost <navid.emamdoost@...il.com>
---
 drivers/staging/rtl8192u/r8192U_core.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/staging/rtl8192u/r8192U_core.c b/drivers/staging/rtl8192u/r8192U_core.c
index fe1f279ca368..401561705d9d 100644
--- a/drivers/staging/rtl8192u/r8192U_core.c
+++ b/drivers/staging/rtl8192u/r8192U_core.c
@@ -1232,6 +1232,8 @@ short rtl819xU_tx_cmd(struct net_device *dev, struct sk_buff *skb)
 		return 0;
 
 	DMESGE("Error TX CMD URB, error %d", status);
+	dev_kfree_skb(skb);
+	usb_free_urb(tx_urb);
 	return -1;
 }
 
-- 
2.17.1