netdev - [PATCH 1/2] net: Remove redundant null check before kfree in dev.c

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Date:	Tue, 20 Nov 2012 16:27:04 +0530
From:	Sachin Kamat <sachin.kamat@...aro.org>
To:	netdev@...r.kernel.org
Cc:	davem@...emloft.net, edumazet@...gle.com, sachin.kamat@...aro.org,
	patches@...aro.org
Subject: [PATCH 1/2] net: Remove redundant null check before kfree in dev.c

kfree on a null pointer is a no-op.

Signed-off-by: Sachin Kamat <sachin.kamat@...aro.org>
---
 net/core/dev.c |    6 ++----
 1 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/net/core/dev.c b/net/core/dev.c
index 83232a1..c380913 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1075,10 +1075,8 @@ int dev_set_alias(struct net_device *dev, const char *alias, size_t len)
 		return -EINVAL;
 
 	if (!len) {
-		if (dev->ifalias) {
-			kfree(dev->ifalias);
-			dev->ifalias = NULL;
-		}
+		kfree(dev->ifalias);
+		dev->ifalias = NULL;
 		return 0;
 	}
 
-- 
1.7.4.1

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