V4L/DVB (13961): em28xx-dvb: fix memleak in dvb_fini()

commit 19f48cb105 upstream.

this patch fixes a memory leak which occurs when an em28xx card with DVB
extension is unplugged or its DVB extension driver is unloaded. In
dvb_fini(), dev->dvb must be freed before being set to NULL, as is done
in dvb_init() in case of error.
Note that this bug is also present in the latest stable kernel release.

Signed-off-by: Francesco Lavra <francescolavra@interfree.it>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Francesco Lavra
2009-12-31 08:47:11 -03:00
committed by Greg Kroah-Hartman
parent 6afa5c708e
commit 5cf5162132

View File

@@ -606,6 +606,7 @@ static int dvb_fini(struct em28xx *dev)
if (dev->dvb) {
unregister_dvb(dev->dvb);
kfree(dev->dvb);
dev->dvb = NULL;
}