netdev - [PATCH] rtlwifi: Don't leak on error in _rtl_usb

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 26 Dec 2012 21:51:12 +0100 (CET)
From:	Jesper Juhl <jj@...osbits.net>
To:	linux-kernel@...r.kernel.org
cc:	wlanfae <wlanfae@...ltek.com>, netdev@...r.kernel.org,
	linux-wireless@...r.kernel.org,
	"John W. Linville" <linville@...driver.com>,
	Chaoming Li <chaoming_li@...lsil.com.cn>,
	Larry Finger <Larry.Finger@...inger.net>
Subject: [PATCH] rtlwifi: Don't leak on error in _rtl_usb_receive()

We fail to release 'urb' if '_rtl_prep_rx_urb()' fails in
_rtl_usb_receive().
This patch should take care of the leak.

Signed-off-by: Jesper Juhl <jj@...osbits.net>
---
 drivers/net/wireless/rtlwifi/usb.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

 note: compile tested only.

diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c
index 29f0969..75c29e6 100644
--- a/drivers/net/wireless/rtlwifi/usb.c
+++ b/drivers/net/wireless/rtlwifi/usb.c
@@ -640,6 +640,7 @@ static int _rtl_usb_receive(struct ieee80211_hw *hw)
 			RT_TRACE(rtlpriv, COMP_USB, DBG_EMERG,
 				 "Failed to prep_rx_urb!!\n");
 			err = PTR_ERR(skb);
+			usb_free_urb(urb);
 			goto err_out;
 		}
 
-- 
1.7.1


-- 
Jesper Juhl <jj@...osbits.net>       http://www.chaosbits.net/
Don't top-post http://www.catb.org/jargon/html/T/top-post.html
Plain text mails only, please.

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html