linux-kernel - [PATCH v1 1/1] device property: Drop redundant NULL checks

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Date:   Tue, 26 Oct 2021 19:29:54 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        YE Chengfeng <cyeaa@...nect.ust.hk>
Subject: [PATCH v1 1/1] device property: Drop redundant NULL checks

In cases when functions are called via fwnode operations,
we already know that this is software node we are dealing
with, hence no need to check if it's NULL, it can't be,

Reported-by: YE Chengfeng <cyeaa@...nect.ust.hk>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/base/swnode.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/drivers/base/swnode.c b/drivers/base/swnode.c
index c46f6a8e14d2..4debcea4fb12 100644
--- a/drivers/base/swnode.c
+++ b/drivers/base/swnode.c
@@ -413,9 +413,6 @@ software_node_get_name(const struct fwnode_handle *fwnode)
 {
 	const struct swnode *swnode = to_swnode(fwnode);
 
-	if (!swnode)
-		return "(null)";
-
 	return kobject_name(&swnode->kobj);
 }
 
@@ -507,9 +504,6 @@ software_node_get_reference_args(const struct fwnode_handle *fwnode,
 	int error;
 	int i;
 
-	if (!swnode)
-		return -ENOENT;
-
 	prop = property_entry_get(swnode->node->properties, propname);
 	if (!prop)
 		return -ENOENT;
-- 
2.33.0