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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2014-09-25 08:39:41 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2014-10-24 09:28:12 -0200 |
| commit | 34d7c248ad28c5d462182c5063523023604efc12 (patch) | |
| tree | c1fbd7d5199d0fbbdfaa9cbf3673fc67da486600 | |
| parent | 1a5cfd022774a1ff8517f8f2f2da4013ef7c2e4d (diff) | |
| download | linux-34d7c248ad28c5d462182c5063523023604efc12.tar.gz linux-34d7c248ad28c5d462182c5063523023604efc12.tar.bz2 linux-34d7c248ad28c5d462182c5063523023604efc12.zip | |
[media] em28xx-input: NULL dereference on error
We call "kfree(ir->i2c_client);" in the error handling and that doesn't
work if "ir" is NULL.
Fixes: 78e719a5f30b ('[media] em28xx-input: i2c IR decoders: improve i2c_client handling')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
| -rw-r--r-- | drivers/media/usb/em28xx/em28xx-input.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/media/usb/em28xx/em28xx-input.c b/drivers/media/usb/em28xx/em28xx-input.c index 581f6dad4ca9..23f8f6afa2e0 100644 --- a/drivers/media/usb/em28xx/em28xx-input.c +++ b/drivers/media/usb/em28xx/em28xx-input.c @@ -712,8 +712,10 @@ static int em28xx_ir_init(struct em28xx *dev) em28xx_info("Registering input extension\n"); ir = kzalloc(sizeof(*ir), GFP_KERNEL); + if (!ir) + return -ENOMEM; rc = rc_allocate_device(); - if (!ir || !rc) + if (!rc) goto error; /* record handles to ourself */ |