Messages in this thread |  | | Date | Mon, 8 Jun 2015 22:11:44 -0500 | From | Felipe Balbi <> | Subject | Re: [PATCH][V3] usb: isp1760: check for null return from kzalloc |
| |
On Mon, Jun 08, 2015 at 02:22:06PM -0700, Greg Kroah-Hartman wrote: > On Wed, Jun 03, 2015 at 03:43:23AM +0300, Laurent Pinchart wrote: > > Hi Colin, > > > > Thank you for the patch. > > > > On Tuesday 02 June 2015 19:05:13 Colin King wrote: > > > From: Colin Ian King <colin.king@canonical.com> > > > > > > isp1760_ep_alloc_request allocates a structure with kzalloc without checking > > > for NULL and then returns a pointer to one of the structure fields. As the > > > field happens to be the first in the structure the caller can properly > > > check for NULL, but this is risky if the structure layout is changed later. > > > Add an explicit NULL check for the kzalloc return value > > > > > > Detected with smatch static analysis: > > > > > > drivers/usb/isp1760/isp1760-udc.c:816 isp1760_ep_alloc_request() > > > error: potential null dereference 'req'. (kzalloc returns null) > > > > > > [ thanks to Laurent Pinchart for improved commit message ] > > > > > > Signed-off-by: Colin Ian King <colin.king@canonical.com> > > > > Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> > > > > Felipe, I expect you to pick this up, please let me know if there's any issue. > > I'll just take it directly, thanks.
that works too, dropping from my queue.
-- balbi [unhandled content-type:application/pgp-signature] |  |