linux-kernel - [PATCH 3/5] staging: gasket: sysfs: remove unnecessary NULL check on device ptr

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Date:   Fri, 27 Jul 2018 22:21:58 -0700
From:   Todd Poynor <toddpoynor@...il.com>
To:     Rob Springer <rspringer@...gle.com>,
        John Joseph <jnjoseph@...gle.com>,
        Ben Chan <benchan@...omium.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        Todd Poynor <toddpoynor@...gle.com>
Subject: [PATCH 3/5] staging: gasket: sysfs: remove unnecessary NULL check on device ptr

From: Todd Poynor <toddpoynor@...gle.com>

The device pointer passed into get_mapping() will never be NULL; the
check is unnecessary.

Reported-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Todd Poynor <toddpoynor@...gle.com>
---
 drivers/staging/gasket/gasket_sysfs.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/staging/gasket/gasket_sysfs.c b/drivers/staging/gasket/gasket_sysfs.c
index 2d8647de697cd..da972ce0e0db0 100644
--- a/drivers/staging/gasket/gasket_sysfs.c
+++ b/drivers/staging/gasket/gasket_sysfs.c
@@ -67,11 +67,6 @@ static struct gasket_sysfs_mapping *get_mapping(struct device *device)
 {
 	int i;
 
-	if (!device) {
-		pr_debug("%s: Received NULL device\n", __func__);
-		return NULL;
-	}
-
 	for (i = 0; i < GASKET_SYSFS_NUM_MAPPINGS; i++) {
 		mutex_lock(&dev_mappings[i].mutex);
 		if (dev_mappings[i].device == device) {
-- 
2.18.0.345.g5c9ce644c3-goog