remove_proc_subtree() was added in 3.9, and can be
used to simplify our procfile creation error handling
and cleanup, removing the nested gotos. It simply
removes fs/xfs and everything created under it.
Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxx>
---
This goes after Bill's patches, I just noticed it
while reviewing them.
diff --git a/fs/xfs/xfs_stats.c b/fs/xfs/xfs_stats.c
index 05d5227..009a860 100644
--- a/fs/xfs/xfs_stats.c
+++ b/fs/xfs/xfs_stats.c
@@ -168,41 +168,29 @@ int
xfs_init_procfs(void)
{
if (!proc_mkdir("fs/xfs", NULL))
- goto out;
+ return -ENOMEM;
if (!proc_symlink("fs/xfs/stat", NULL,
"/sys/fs/xfs/stats/stats"))
- goto out_remove_xfs_dir;
+ goto out;
#ifdef CONFIG_XFS_QUOTA
if (!proc_create("fs/xfs/xqmstat", 0, NULL,
&xqmstat_proc_fops))
- goto out_remove_stat_file;
+ goto out;
if (!proc_create("fs/xfs/xqm", 0, NULL,
&xqm_proc_fops))
- goto out_remove_xqmstat_file;
+ goto out;
#endif
return 0;
-#ifdef CONFIG_XFS_QUOTA
- out_remove_xqmstat_file:
- remove_proc_entry("fs/xfs/xqmstat", NULL);
- out_remove_stat_file:
- remove_proc_entry("fs/xfs/stat", NULL);
-#endif
- out_remove_xfs_dir:
- remove_proc_entry("fs/xfs", NULL);
- out:
+out:
+ remove_proc_subtree("fs/xfs", NULL);
return -ENOMEM;
}
void
xfs_cleanup_procfs(void)
{
-#ifdef CONFIG_XFS_QUOTA
- remove_proc_entry("fs/xfs/xqm", NULL);
- remove_proc_entry("fs/xfs/xqmstat", NULL);
-#endif
- remove_proc_entry("fs/xfs/stat", NULL);
- remove_proc_entry("fs/xfs", NULL);
+ remove_proc_subtree("fs/xfs", NULL);
}
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