From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Mon, 7 Nov 2011 17:44:12 +0000 (-0300)
Subject: [media] V4L: mt9t112: use after free in mt9t112_probe()
X-Git-Tag: v3.12-rc1~3230^2~681
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e469183541ac108fbc9bcf8e73c2061f049be620;p=kernel%2Fkernel-generic.git

[media] V4L: mt9t112: use after free in mt9t112_probe()

priv gets dereferenced in mt9t112_set_params() so we should return
before calling that.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---

diff --git a/drivers/media/video/mt9t112.c b/drivers/media/video/mt9t112.c
index 32114a3..7b34b11 100644
--- a/drivers/media/video/mt9t112.c
+++ b/drivers/media/video/mt9t112.c
@@ -1083,8 +1083,10 @@ static int mt9t112_probe(struct i2c_client *client,
 	v4l2_i2c_subdev_init(&priv->subdev, client, &mt9t112_subdev_ops);
 
 	ret = mt9t112_camera_probe(client);
-	if (ret)
+	if (ret) {
 		kfree(priv);
+		return ret;
+	}
 
 	/* Cannot fail: using the default supported pixel code */
 	mt9t112_set_params(priv, &rect, V4L2_MBUS_FMT_UYVY8_2X8);