From mboxrd@z Thu Jan 1 00:00:00 1970 From: SF Markus Elfring Date: Fri, 21 Nov 2014 19:26:29 +0000 Subject: [PATCH 1/1] IDE: Deletion of an unnecessary check before the function call "module_put" Message-Id: <546F91E5.60104@users.sourceforge.net> List-Id: References: <5307CAA2.8060406@users.sourceforge.net> <530A086E.8010901@users.sourceforge.net> <530A72AA.3000601@users.sourceforge.net> <530B5FB6.6010207@users.sourceforge.net> <530C5E18.1020800@users.sourceforge.net> <530CD2C4.4050903@users.sourceforge.net> <530CF8FF.8080600@users.sourceforge.net> <530DD06F.4090703@users.sourceforge.net> <5317A59D.4@users.so urceforge.net> In-Reply-To: <5317A59D.4@users.sourceforge.net> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: "David S. Miller" , linux-ide@vger.kernel.org Cc: LKML , kernel-janitors@vger.kernel.org, Julia Lawall From: Markus Elfring Date: Fri, 21 Nov 2014 20:22:32 +0100 The module_put() function tests whether its argument is NULL and then returns immediately. Thus the test around the call is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring --- drivers/ide/ide.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index 2ce6268..e29b02c 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -101,8 +101,7 @@ void ide_device_put(ide_drive_t *drive) struct device *host_dev = drive->hwif->host->dev[0]; struct module *module = host_dev ? host_dev->driver->owner : NULL; - if (module) - module_put(module); + module_put(module); #endif put_device(&drive->gendev); } -- 2.1.3