From mboxrd@z Thu Jan 1 00:00:00 1970 From: SF Markus Elfring Date: Wed, 08 Jul 2015 19:31:57 +0000 Subject: [PATCH] ALSA: hda: Delete an unnecessary check before the function call "kobject_put" Message-Id: <559D7AAD.8020500@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.sourceforge.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: Jaroslav Kysela , Takashi Iwai , alsa-devel@alsa-project.org Cc: LKML , kernel-janitors@vger.kernel.org, Julia Lawall From: Markus Elfring Date: Wed, 8 Jul 2015 21:26:02 +0200 The kobject_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 --- sound/hda/hdac_sysfs.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/sound/hda/hdac_sysfs.c b/sound/hda/hdac_sysfs.c index 0a6ce3b..089b35f 100644 --- a/sound/hda/hdac_sysfs.c +++ b/sound/hda/hdac_sysfs.c @@ -321,8 +321,7 @@ static void widget_tree_free(struct hdac_device *codec) free_widget_node(*p, &widget_node_group); kfree(tree->nodes); } - if (tree->root) - kobject_put(tree->root); + kobject_put(tree->root); kfree(tree); codec->widgets = NULL; } -- 2.4.5