Hi Peter, On Tue, Sep 4, 2012 at 1:14 PM, Peter Senna Tschudin <peter.senna@xxxxxxxxx> wrote: > From: Peter Senna Tschudin <peter.senna@xxxxxxxxx> > > Convert a nonnegative error return code to a negative one, as returned > elsewhere in the function. > > A simplified version of the semantic match that finds this problem is as > follows: (http://coccinelle.lip6.fr/) > > // <smpl> > ( > if@p1 (\(ret < 0\|ret != 0\)) > { ... return ret; } > | > ret@p1 = 0 > ) > ... when != ret = e1 > when != &ret > *if(...) > { > ... when != ret = e2 > when forall > return ret; > } > > // </smpl> > > Signed-off-by: Peter Senna Tschudin <peter.senna@xxxxxxxxx> > > --- > drivers/media/platform/vino.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/media/platform/vino.c b/drivers/media/platform/vino.c > index cc9110c..6654a28 100644 > --- a/drivers/media/platform/vino.c > +++ b/drivers/media/platform/vino.c > @@ -2061,6 +2061,7 @@ static int vino_capture_next(struct vino_channel_settings *vcs, int start) > } > if (incoming == 0) { > dprintk("vino_capture_next(): no buffers available\n"); > + err = -ENOMEM; > goto out; > } > Mmm, this one doesn't look good. I think the intention was to return zero, without error. They driver tt's just double-checking for incoming data, if there's no incoming data, then he simply exits. Thanks, Ezequiel. -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
