Hi Hans Your proposal is what I sent for v1: https://lore.kernel.org/linux-media/20240415-fix-cocci-v1-9-477afb23728b@xxxxxxxxxxxx/ I have no strong opinion for any of the two, please feel free to land whatever version you prefer. Regards On Wed, 24 Apr 2024 at 20:46, Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> wrote: > > On Wed, Apr 24, 2024 at 06:17:31PM +0000, Sakari Ailus wrote: > > On Wed, Apr 24, 2024 at 12:55:20PM +0200, Hans Verkuil wrote: > > > On 19/04/2024 11:47, Ricardo Ribalda wrote: > > > > Return 0 without checking IS_ERR or PTR_ERR if CONFIG_MEDIA_CONTROLLER > > > > is not enabled. > > > > > > > > This makes cocci happier: > > > > > > > > drivers/media/v4l2-core/v4l2-async.c:331:23-30: ERROR: PTR_ERR applied after initialization to constant on line 319 > > > > > > > > Signed-off-by: Ricardo Ribalda <ribalda@xxxxxxxxxxxx> > > > > --- > > > > drivers/media/v4l2-core/v4l2-async.c | 7 +++---- > > > > 1 file changed, 3 insertions(+), 4 deletions(-) > > > > > > > > diff --git a/drivers/media/v4l2-core/v4l2-async.c b/drivers/media/v4l2-core/v4l2-async.c > > > > index 4bb073587817..915a9f3ea93c 100644 > > > > --- a/drivers/media/v4l2-core/v4l2-async.c > > > > +++ b/drivers/media/v4l2-core/v4l2-async.c > > > > @@ -316,9 +316,10 @@ v4l2_async_nf_try_all_subdevs(struct v4l2_async_notifier *notifier); > > > > static int v4l2_async_create_ancillary_links(struct v4l2_async_notifier *n, > > > > struct v4l2_subdev *sd) > > > > { > > > > - struct media_link *link = NULL; > > > > + struct media_link *link; > > > > > > > > -#if IS_ENABLED(CONFIG_MEDIA_CONTROLLER) > > > > + if (!IS_ENABLED(CONFIG_MEDIA_CONTROLLER)) > > > > + return 0; > > > > > > > > if (sd->entity.function != MEDIA_ENT_F_LENS && > > > > sd->entity.function != MEDIA_ENT_F_FLASH) > > > > @@ -326,8 +327,6 @@ static int v4l2_async_create_ancillary_links(struct v4l2_async_notifier *n, > > > > > > > > link = media_create_ancillary_link(&n->sd->entity, &sd->entity); > > > > > > > > -#endif > > > > - > > > > return IS_ERR(link) ? PTR_ERR(link) : 0; > > > > } > > > > > > I think I would prefer: > > > > > > static int v4l2_async_create_ancillary_links(struct v4l2_async_notifier *n, > > > struct v4l2_subdev *sd) > > > { > > > #if IS_ENABLED(CONFIG_MEDIA_CONTROLLER) > > > struct media_link *link; > > > > > > ... > > > > > > return IS_ERR(link) ? PTR_ERR(link) : 0; > > > #else > > > return 0; > > > #endif > > > } > > > > > > > Me, too. > > I actually prefer Ricardo's proposal :-) > > -- > Regards, > > Laurent Pinchart -- Ricardo Ribalda