]> pilppa.com Git - linux-2.6-omap-h63xx.git/commit
V4L/DVB (7108): radio-si470x.c: check-after-use
authorTobias Lorenz <tobias.lorenz@gmx.net>
Tue, 29 Jan 2008 01:43:13 +0000 (22:43 -0300)
committerMauro Carvalho Chehab <mchehab@infradead.org>
Mon, 18 Feb 2008 14:15:09 +0000 (11:15 -0300)
commitc3f686f152767b84893e474acd1a7758988dc369
tree38422271ed6210b08b95d08457e1c0cf371443ce
parent532fe65205253aef1ce5c0c76d2d8d303fb3fe71
V4L/DVB (7108): radio-si470x.c: check-after-use

Adrian used the coverity checker against radio-si470x and found this:

> The Coverity checker spotted the following check-after-use in
> drivers/media/radio/radio-si470x.c:
>
> <--  snip  -->
> static void si470x_usb_driver_disconnect(struct usb_interface *intf)
> {
>         struct si470x_device *radio = usb_get_intfdata(intf);
>
>         del_timer_sync(&radio->timer);    <------------------
>         flush_scheduled_work();
>
>         usb_set_intfdata(intf, NULL);
>         if (radio) {                      <------------------
>                 video_unregister_device(radio->videodev);
>                 kfree(radio->buffer);
>                 kfree(radio);
>         }
> }
> <--  snip  -->
>
> Either "radio" can be NULL and this case has to be properly handled or
> the NULL check is not required.

These two lines should indeed better be inside the if statement.

Signed-off-by: Tobias Lorenz <tobias.lorenz@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
drivers/media/radio/radio-si470x.c