linux-kernel - [PATCH 3.16 027/134] IPoIB: Remove unnecessary test for NULL before debugfs

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Date:   Fri, 18 Aug 2017 14:13:20 +0100
From:   Ben Hutchings <ben@...adent.org.uk>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:     akpm@...ux-foundation.org,
        "Roland Dreier" <roland@...estorage.com>,
        "Doug Ledford" <dledford@...hat.com>,
        "Fabian Frederick" <fabf@...net.be>
Subject: [PATCH 3.16 027/134] IPoIB: Remove unnecessary test for NULL
 before debugfs_remove()

3.16.47-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Fabian Frederick <fabf@...net.be>

commit e42fa2092c1049ac9c0e38aaac39ef3c40e91a36 upstream.

Fix checkpatch warning:

    WARNING: debugfs_remove(NULL) is safe this check is probably not required

Signed-off-by: Fabian Frederick <fabf@...net.be>
Signed-off-by: Doug Ledford <dledford@...hat.com>
Signed-off-by: Roland Dreier <roland@...estorage.com>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 drivers/infiniband/ulp/ipoib/ipoib_fs.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

--- a/drivers/infiniband/ulp/ipoib/ipoib_fs.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_fs.c
@@ -281,10 +281,8 @@ void ipoib_delete_debug_files(struct net
 {
 	struct ipoib_dev_priv *priv = netdev_priv(dev);
 
-	if (priv->mcg_dentry)
-		debugfs_remove(priv->mcg_dentry);
-	if (priv->path_dentry)
-		debugfs_remove(priv->path_dentry);
+	debugfs_remove(priv->mcg_dentry);
+	debugfs_remove(priv->path_dentry);
 }
 
 int ipoib_register_debugfs(void)