From: Dan Carpenter <error27@gmail.com>
Date: Tue, 14 Apr 2009 22:50:33 +0000 (-0300)
Subject: V4L/DVB (11515): drivers/media/video/saa5249.c: fix use-after-free and leak
X-Git-Tag: v2.6.30-rc4~2^2~7
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=5b83cfa98569663b6fa6cda85a1f2fd371a082c7;p=~emulex%2Finfiniband.git

V4L/DVB (11515): drivers/media/video/saa5249.c: fix use-after-free and leak

I moved the kfree() down a couple lines.  t->vdev is going to be in freed
memory so there is no point setting it to NULL.  I added a kfree(t) on a

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---

diff --git a/drivers/media/video/saa5249.c b/drivers/media/video/saa5249.c
index 48b27fe4808..271d6e931b7 100644
--- a/drivers/media/video/saa5249.c
+++ b/drivers/media/video/saa5249.c
@@ -598,6 +598,7 @@ static int saa5249_probe(struct i2c_client *client,
 	/* Now create a video4linux device */
 	t->vdev = video_device_alloc();
 	if (t->vdev == NULL) {
+		kfree(t);
 		kfree(client);
 		return -ENOMEM;
 	}
@@ -617,9 +618,8 @@ static int saa5249_probe(struct i2c_client *client,
 	/* Register it */
 	err = video_register_device(t->vdev, VFL_TYPE_VTX, -1);
 	if (err < 0) {
-		kfree(t);
 		video_device_release(t->vdev);
-		t->vdev = NULL;
+		kfree(t);
 		return err;
 	}
 	return 0;