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| author | Dan Carpenter <error27@gmail.com> | 2009-04-14 19:50:33 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-04-29 15:41:11 -0300 |
| commit | 5b83cfa98569663b6fa6cda85a1f2fd371a082c7 (patch) | |
| tree | 1c790cd58393250fc18b68287082abc061998eef | |
| parent | 3964b58a25fdca066011600bf58b38d00e9ae28d (diff) | |
| download | linux-stable-5b83cfa98569663b6fa6cda85a1f2fd371a082c7.tar.gz linux-stable-5b83cfa98569663b6fa6cda85a1f2fd371a082c7.tar.bz2 linux-stable-5b83cfa98569663b6fa6cda85a1f2fd371a082c7.zip | |
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>
| -rw-r--r-- | drivers/media/video/saa5249.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/media/video/saa5249.c b/drivers/media/video/saa5249.c index 48b27fe48087..271d6e931b75 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; |