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authorDan Carpenter <error27@gmail.com>2010-05-29 11:47:24 +0200
committerChris Mason <chris.mason@oracle.com>2010-06-11 21:57:37 +0200
commitcf1e99a4e0daa4a5623cd71108509823b9ff2d30 (patch)
treee2e613940e9d4449be976a5a09e1c2a72bb45a83
parentBtrfs: btrfs_read_fs_root_no_name() returns ERR_PTRs (diff)
downloadlinux-cf1e99a4e0daa4a5623cd71108509823b9ff2d30.tar.xz
linux-cf1e99a4e0daa4a5623cd71108509823b9ff2d30.zip
Btrfs: btrfs_lookup_dir_item() can return ERR_PTR
btrfs_lookup_dir_item() can return either ERR_PTRs or null. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
-rw-r--r--fs/btrfs/ioctl.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 9f9a1d9607a7..4dbaf89b1337 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1845,7 +1845,7 @@ static long btrfs_ioctl_default_subvol(struct file *file, void __user *argp)
dir_id = btrfs_super_root_dir(&root->fs_info->super_copy);
di = btrfs_lookup_dir_item(trans, root->fs_info->tree_root, path,
dir_id, "default", 7, 1);
- if (!di) {
+ if (IS_ERR_OR_NULL(di)) {
btrfs_free_path(path);
btrfs_end_transaction(trans, root);
printk(KERN_ERR "Umm, you don't have the default dir item, "