linux-kernel - [PATCH linux-next] nfs: remove kfree() redundant null checks

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Date:	Tue, 12 Feb 2013 13:03:42 -0700
From:	Tim Gardner <tim.gardner@...onical.com>
To:	linux-kernel@...r.kernel.org
Cc:	Tim Gardner <tim.gardner@...onical.com>,
	Trond Myklebust <Trond.Myklebust@...app.com>,
	linux-nfs@...r.kernel.org
Subject: [PATCH linux-next] nfs: remove kfree() redundant null checks

smatch analysis:

fs/nfs/getroot.c:130 nfs_get_root() info: redundant null
 check on name calling kfree()

fs/nfs/unlink.c:272 nfs_async_unlink() info: redundant null
 check on devname_garbage calling kfree()

Cc: Trond Myklebust <Trond.Myklebust@...app.com>
Cc: linux-nfs@...r.kernel.org
Signed-off-by: Tim Gardner <tim.gardner@...onical.com>
---
 fs/nfs/getroot.c |    3 +--
 fs/nfs/unlink.c  |    3 +--
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/fs/nfs/getroot.c b/fs/nfs/getroot.c
index 033803c..44efaa8 100644
--- a/fs/nfs/getroot.c
+++ b/fs/nfs/getroot.c
@@ -126,8 +126,7 @@ struct dentry *nfs_get_root(struct super_block *sb, struct nfs_fh *mntfh,
 	}
 	spin_unlock(&ret->d_lock);
 out:
-	if (name)
-		kfree(name);
+	kfree(name);
 	nfs_free_fattr(fsinfo.fattr);
 	return ret;
 }
diff --git a/fs/nfs/unlink.c b/fs/nfs/unlink.c
index 13cea63..d26a32f 100644
--- a/fs/nfs/unlink.c
+++ b/fs/nfs/unlink.c
@@ -268,8 +268,7 @@ nfs_async_unlink(struct inode *dir, struct dentry *dentry)
 	 * point dentry is definitely not a root, so we won't need
 	 * that anymore.
 	 */
-	if (devname_garbage)
-		kfree(devname_garbage);
+	kfree(devname_garbage);
 	return 0;
 out_unlock:
 	spin_unlock(&dentry->d_lock);
-- 
1.7.9.5

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