From ca4186f06fecbf2b692a42cdea54b7ef23b2496c Mon Sep 17 00:00:00 2001 From: Ohad Ben-Cohen Date: Wed, 1 Jun 2011 13:39:46 -0300 Subject: [PATCH] [media] media: omap3isp: fix a potential NULL deref Fix a potential NULL pointer dereference by skipping registration of external entities in case none are provided. This is useful at least when testing mere memory-to-memory scenarios. Signed-off-by: Ohad Ben-Cohen Acked-by: Laurent Pinchart Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/omap3isp/isp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/video/omap3isp/isp.c b/drivers/media/video/omap3isp/isp.c index c9fd04ee70a8..94b6ed89e195 100644 --- a/drivers/media/video/omap3isp/isp.c +++ b/drivers/media/video/omap3isp/isp.c @@ -1748,7 +1748,7 @@ static int isp_register_entities(struct isp_device *isp) goto done; /* Register external entities */ - for (subdevs = pdata->subdevs; subdevs->subdevs; ++subdevs) { + for (subdevs = pdata->subdevs; subdevs && subdevs->subdevs; ++subdevs) { struct v4l2_subdev *sensor; struct media_entity *input; unsigned int flags; -- 2.30.2