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Btrfs: remove superfluous NULL pointer check in btrfs_rename()

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This takes care of the following entry from Dan's list:

fs/btrfs/inode.c +4788 btrfs_rename(36) warning: variable derefenced before check 'old_inode'

Reported-by: Dan Carpenter <error27@gmail.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Eugene Teo <eteo@redhat.com>
Cc: Julia Lawall <julia@diku.dk>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2009-08-07 13:47:08 -04:00 committed by Chris Mason
parent 013f1b12f4
commit 4baf8c9201
1 changed files with 1 additions and 2 deletions
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3
fs/btrfs/inode.c
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@ -4806,8 +4806,7 @@ static int btrfs_rename(struct inode *old_dir, struct dentry *old_dentry,
* and the replacement file is large. Start IO on it now so
* we don't add too much work to the end of the transaction
*/
if (new_inode && old_inode && S_ISREG(old_inode->i_mode) &&
new_inode->i_size &&
if (new_inode && S_ISREG(old_inode->i_mode) && new_inode->i_size &&
old_inode->i_size > BTRFS_ORDERED_OPERATIONS_FLUSH_LIMIT)
filemap_flush(old_inode->i_mapping);