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Btrfs: check the return value of io_ctl_init()

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It can return -ENOMEM.

Signed-off-by: Li Zefan <[email protected]>
This commit is contained in:
Li Zefan committed 2012-01-11 10:26:36 +08:00
1 parent a1ee5a4581
commit 706efc6630
1 file changed
+7 -2
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fs/btrfs/free-space-cache.c
+7 -2
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@@ -637,7 +637,10 @@ int __load_free_space_cache(struct btrfs_root *root, struct inode *inode,
if (!num_entries)
return 0;
io_ctl_init(&io_ctl, inode, root);
ret = io_ctl_init(&io_ctl, inode, root);
if (ret)
return ret;
ret = readahead_cache(inode);
if (ret)
goto out;
@@ -851,7 +854,9 @@ int __btrfs_write_out_cache(struct btrfs_root *root, struct inode *inode,
if (!i_size_read(inode))
return -1;
io_ctl_init(&io_ctl, inode, root);
ret = io_ctl_init(&io_ctl, inode, root);
if (ret)
return -1;
/* Get the cluster for this block_group if it exists */
if (block_group && !list_empty(&block_group->cluster_list))