On Sat, Nov 22, 2014 at 3:39 PM, Julia Lawall <Julia.Lawall@xxxxxxx> wrote: > From: Julia Lawall <Julia.Lawall@xxxxxxx> > > Return a negative error code on failure. > > A simplified version of the semantic match that finds this problem is as > follows: (http://coccinelle.lip6.fr/) > > // <smpl> > @@ > identifier ret; expression e1,e2; > @@ > ( > if (\(ret < 0\|ret != 0\)) > { ... return ret; } > | > ret = 0 > ) > ... when != ret = e1 > when != &ret > *if(...) > { > ... when != ret = e2 > when forall > return ret; > } > // </smpl> > > Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx> Acked-by: Linus Walleij <linus.walleij@xxxxxxxxxx> Yours, Linus Walleij -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html