linux-kernel - [PATCH 2/2] software node: Fix use of potentially uninitialized variable

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Message-Id: <20190829132116.76120-3-heikki.krogerus@linux.intel.com>
Date:   Thu, 29 Aug 2019 16:21:16 +0300
From:   Heikki Krogerus <heikki.krogerus@...ux.intel.com>
To:     "Rafael J. Wysocki" <rafael@...nel.org>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        kbuild test robot <lkp@...el.com>,
        Dan Carpenter <dan.carpenter@...cle.com>
Subject: [PATCH 2/2] software node: Fix use of potentially uninitialized variable

reported by smatch:
drivers/base/swnode.c:71 software_node_to_swnode() error: uninitialized symbol 'swnode'.

Fixes: 80488a6b1d3c ("software node: Add support for static node descriptors")
Cc: stable@...r.kernel.org
Reported-by: kbuild test robot <lkp@...el.com>
Reported-by: Dan Carpenter <dan.carpenter@...cle.com>
Signed-off-by: Heikki Krogerus <heikki.krogerus@...ux.intel.com>
---
 drivers/base/swnode.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/base/swnode.c b/drivers/base/swnode.c
index de9596fc4166..a1f3f0994f9f 100644
--- a/drivers/base/swnode.c
+++ b/drivers/base/swnode.c
@@ -51,7 +51,7 @@ EXPORT_SYMBOL_GPL(is_software_node);
 static struct swnode *
 software_node_to_swnode(const struct software_node *node)
 {
-	struct swnode *swnode;
+	struct swnode *swnode = NULL;
 	struct kobject *k;
 
 	if (!node)
-- 
2.23.0.rc1