Btrfs: trivial sparse fixes

Fix a bunch of trivial sparse complaints.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Chris Mason <chris.mason@oracle.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 59b64c738fd..f84b5f6991c 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -739,7 +739,7 @@ long btrfs_ioctl_trans_end(struct file *file)
                 goto out;
         }
         btrfs_end_transaction(trans, root);
-        file->private_data = 0;
+        file->private_data = NULL;
 
         mutex_lock(&root->fs_info->trans_mutex);
         root->fs_info->open_ioctl_trans--;