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* [patch 1/11] btrfs: handle error returns from btrfs_lookup_dir_item()
@ 2010-05-29  9:40 Dan Carpenter
  0 siblings, 0 replies; only message in thread
From: Dan Carpenter @ 2010-05-29  9:40 UTC (permalink / raw)
  To: linux-btrfs
  Cc: Yan Zheng, Josef Bacik, Christoph Hellwig, Chris Mason, kernel-janitors

If btrfs_lookup_dir_item() fails, we should can just let the mount fail
with an error.

Signed-off-by: Dan Carpenter <>

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index d34b2df..28b53f1 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -360,6 +360,8 @@ static struct dentry *get_default_root(struct super_block *sb,
 	dir_id = btrfs_super_root_dir(&root->fs_info->super_copy);
 	di = btrfs_lookup_dir_item(NULL, root, path, dir_id, "default", 7, 0);
+	if (IS_ERR(di))
+		return ERR_CAST(di);
 	if (!di) {
 		 * Ok the default dir item isn't there.  This is weird since

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2010-05-29  9:40 [patch 1/11] btrfs: handle error returns from btrfs_lookup_dir_item() Dan Carpenter

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