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* [patch 3/3] btrfs cleanup: unneeded null check
@ 2010-03-20 11:37 ` Dan Carpenter
  0 siblings, 0 replies; 2+ messages in thread
From: Dan Carpenter @ 2010-03-20 11:37 UTC (permalink / raw)
  To: Chris Mason
  Cc: Josef Bacik, Yan Zheng, Andrew Morton, linux-btrfs, linux-kernel,
	kernel-janitors

old_inode cannot be null here so I removed the check.
This fixes a smatch warning:
fs/btrfs/inode.c +5545 btrfs_rename(88) warn: variable dereferenced 
	before check 'old_inode'

Signed-off-by: Dan Carpenter <error27@gmail.com>
---
linux-next material

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 02bb099..647ce41 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -5541,10 +5541,8 @@ static int btrfs_rename(struct inode *old_dir, struct dentry *old_dentry,
 	 * make sure the inode gets flushed if it is replacing
 	 * something.
 	 */
-	if (new_inode && new_inode->i_size &&
-	    old_inode && S_ISREG(old_inode->i_mode)) {
+	if (new_inode && new_inode->i_size && S_ISREG(old_inode->i_mode))
 		btrfs_add_ordered_operation(trans, root, old_inode);
-	}
 
 	old_dir->i_ctime = old_dir->i_mtime = ctime;
 	new_dir->i_ctime = new_dir->i_mtime = ctime;

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2010-03-20 11:37 [patch 3/3] btrfs cleanup: unneeded null check Dan Carpenter
2010-03-20 11:37 ` Dan Carpenter

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