Re: [PATCH] fix ptr_ret.cocci warnings

From: Daniel Thompson
Date: Tue Mar 21 2017 - 11:07:42 EST


On 21/03/17 14:58, Olimpiu Dejeu wrote:
On Fri, Mar 17, 2017 at 10:48 AM, kbuild test robot <lkp@xxxxxxxxx> wrote:
drivers/video/backlight/arcxcnn_bl.c:183:1-3: WARNING: PTR_ERR_OR_ZERO can be used


Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR

Generated by: scripts/coccinelle/api/ptr_ret.cocci

CC: Olimpiu Dejeu <olimpiu@xxxxxxxxxxxxxx>
Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
---

arcxcnn_bl.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)

--- a/drivers/video/backlight/arcxcnn_bl.c
+++ b/drivers/video/backlight/arcxcnn_bl.c
@@ -180,10 +180,7 @@ static int arcxcnn_backlight_register(st

lp->bl = devm_backlight_device_register(lp->dev, name, lp->dev, lp,
&arcxcnn_bl_ops, props);
- if (IS_ERR(lp->bl))
- return PTR_ERR(lp->bl);
-
- return 0;
+ return PTR_ERR_OR_ZERO(lp->bl);
}

static void arcxcnn_parse_dt(struct arcxcnn *lp)

Acked-by: Olimpiu Dejeu <olimpiu@xxxxxxxxxxxxxx>

Glad you approve! Could you apply this change and re-post the patch series? Thanks.


Daniel.