| Message ID | 1440288682-12732-3-git-send-email-Julia.Lawall@lip6.fr (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 8/22/15 5:11 PM, Julia Lawall wrote: > 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@lip6.fr> > Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
diff --git a/drivers/soc/ti/knav_qmss_queue.c b/drivers/soc/ti/knav_qmss_queue.c index 6d8646d..822ead8 100644 --- a/drivers/soc/ti/knav_qmss_queue.c +++ b/drivers/soc/ti/knav_qmss_queue.c @@ -1768,6 +1768,7 @@ static int knav_queue_probe(struct platform_device *pdev) regions = of_get_child_by_name(node, "descriptor-regions"); if (!regions) { dev_err(dev, "descriptor-regions not specified\n"); + ret = -ENODEV; goto err; } ret = knav_queue_setup_regions(kdev, regions);
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@lip6.fr> --- drivers/soc/ti/knav_qmss_queue.c | 1 + 1 file changed, 1 insertion(+)