linux-kernel - [PATCH v2] staging: ks7010

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 for Android: free password hash cracker in your pocket

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

Message-ID: <20180412152342.GA4040@embeddedor.com>
Date:   Thu, 12 Apr 2018 10:23:42 -0500
From:   "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Dan Carpenter <dan.carpenter@...cle.com>
Cc:     devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        Colin King <colin.king@...onical.com>
Subject: [PATCH v2] staging: ks7010_sdio: fix memory leak

Memory allocated for netdev at line 854:
netdev = alloc_etherdev(sizeof(*priv));
is not being free'd before return, hence
there is a memory leak.

Fix this by freeing netdev before return.

Addresses-Coverity-ID: 1467844
Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
---
Changes in v2:
 - Update subject and commit changelog.
 - Just directly free netdev. Thanks to Dan Carpenter for the feedback.

 drivers/staging/ks7010/ks7010_sdio.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/staging/ks7010/ks7010_sdio.c b/drivers/staging/ks7010/ks7010_sdio.c
index b8f55a1..2c9b92c 100644
--- a/drivers/staging/ks7010/ks7010_sdio.c
+++ b/drivers/staging/ks7010/ks7010_sdio.c
@@ -932,8 +932,7 @@ static int ks7010_sdio_probe(struct sdio_func *func,
 	return 0;
 
  err_free_netdev:
-	free_netdev(priv->net_dev);
-	card->priv = NULL;
+	free_netdev(netdev);
  err_release_irq:
 	sdio_claim_host(func);
 	sdio_release_irq(func);
-- 
2.7.4