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Btrfs: check return value of btrfs_alloc_path()

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Adding the check on the return value of btrfs_alloc_path() to several places.
And, some of callers are modified by this change.

Signed-off-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Tsutomu Itoh
2011-03-01 06:48:31 +00:00
committed by root
parent c59021f846
commit c2db1073fd
4 changed files with 27 additions and 14 deletions
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10
fs/btrfs/dir-item.c
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@@ -151,7 +151,7 @@ int btrfs_insert_dir_item(struct btrfs_trans_handle *trans, struct btrfs_root
ret = PTR_ERR(dir_item);
if (ret == -EEXIST)
goto second_insert;
goto out;
goto out_free;
}
leaf = path->nodes[0];
@@ -170,7 +170,7 @@ second_insert:
/* FIXME, use some real flag for selecting the extra index */
if (root == root->fs_info->tree_root) {
ret = 0;
goto out;
goto out_free;
}
btrfs_release_path(root, path);
@@ -180,7 +180,7 @@ second_insert:
name, name_len);
if (IS_ERR(dir_item)) {
ret2 = PTR_ERR(dir_item);
goto out;
goto out_free;
}
leaf = path->nodes[0];
btrfs_cpu_key_to_disk(&disk_key, location);
@@ -192,7 +192,9 @@ second_insert:
name_ptr = (unsigned long)(dir_item + 1);
write_extent_buffer(leaf, name, name_ptr, name_len);
btrfs_mark_buffer_dirty(leaf);
out:
out_free:
btrfs_free_path(path);
if (ret)
return ret;