From mboxrd@z Thu Jan 1 00:00:00 1970 From: SF Markus Elfring Date: Fri, 06 Nov 2015 15:56:33 +0000 Subject: [PATCH] bq2415x_charger: Delete unnecessary checks before the function call "of_node_put" Message-Id: <563CCDB1.1040703@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: David Woodhouse , Dmitry Eremin-Solenikov , =?UTF-8?Q?Pali_Roh=c3=a1r?= , Sebastian Reichel , linux-pm@vger.kernel.org Cc: LKML , kernel-janitors@vger.kernel.org, Julia Lawall From: Markus Elfring Date: Fri, 6 Nov 2015 16:48:46 +0100 The of_node_put() function tests whether its argument is NULL and then returns immediately. Thus the test around the calls is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring --- drivers/power/bq2415x_charger.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/power/bq2415x_charger.c b/drivers/power/bq2415x_charger.c index 4afd768..27e8953 100644 --- a/drivers/power/bq2415x_charger.c +++ b/drivers/power/bq2415x_charger.c @@ -1704,7 +1704,7 @@ error_4: error_3: bq2415x_power_supply_exit(bq); error_2: - if (bq && bq->notify_node) + if (bq) of_node_put(bq->notify_node); kfree(name); error_1: @@ -1724,9 +1724,7 @@ static int bq2415x_remove(struct i2c_client *client) if (bq->nb.notifier_call) power_supply_unreg_notifier(&bq->nb); - if (bq->notify_node) - of_node_put(bq->notify_node); - + of_node_put(bq->notify_node); bq2415x_sysfs_exit(bq); bq2415x_power_supply_exit(bq); -- 2.6.2