linux-kernel - [PATCH] platform: video-mux: fix ptr

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Thu, 25 May 2017 15:51:39 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Steve Longerbeam <slongerbeam@...il.com>
Cc:     kbuild-all@...org, robh+dt@...nel.org, mark.rutland@....com,
        shawnguo@...nel.org, kernel@...gutronix.de, fabio.estevam@....com,
        linux@...linux.org.uk, mchehab@...nel.org, hverkuil@...all.nl,
        nick@...anahar.org, markus.heiser@...marIT.de,
        p.zabel@...gutronix.de, laurent.pinchart+renesas@...asonboard.com,
        bparrot@...com, geert@...ux-m68k.org, arnd@...db.de,
        sudipm.mukherjee@...il.com, minghsiu.tsai@...iatek.com,
        tiffany.lin@...iatek.com, jean-christophe.trotin@...com,
        horms+renesas@...ge.net.au, niklas.soderlund+renesas@...natech.se,
        robert.jarzmik@...e.fr, songjun.wu@...rochip.com,
        andrew-ct.chen@...iatek.com, gregkh@...uxfoundation.org,
        shuah@...nel.org, sakari.ailus@...ux.intel.com, pavel@....cz,
        devel@...verdev.osuosl.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-media@...r.kernel.org
Subject: [PATCH] platform: video-mux: fix ptr_ret.cocci warnings

drivers/media/platform/video-mux.c:246:1-3: 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: Philipp Zabel <p.zabel@...gutronix.de>
Signed-off-by: Fengguang Wu <fengguang.wu@...el.com>
---

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

--- a/drivers/media/platform/video-mux.c
+++ b/drivers/media/platform/video-mux.c
@@ -243,10 +243,7 @@ static int video_mux_probe_mmio_mux(stru
 	field.lsb = ffs(mask) - 1;
 
 	vmux->field = devm_regmap_field_alloc(dev, regmap, field);
-	if (IS_ERR(vmux->field))
-		return PTR_ERR(vmux->field);
-
-	return 0;
+	return PTR_ERR_OR_ZERO(vmux->field);
 }
 #endif