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Code Issues Releases Wiki Activity

btrfs: no need to check return value of debugfs_create functions

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When calling debugfs functions, there is no need to ever check the
return value.  The function can work or not, but the code logic should
never do something different based on this.

Cc: Chris Mason <clm@fb.com>
Cc: Josef Bacik <josef@toxicpanda.com>
Cc: David Sterba <dsterba@suse.com>
Cc: linux-btrfs@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2019-01-04 14:25:20 +01:00
parent a9a9da47f8
commit 36b7ee4dce
1 changed files with 2 additions and 8 deletions
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10
fs/btrfs/sysfs.c
View file

@ -910,12 +910,10 @@ void btrfs_sysfs_feature_update(struct btrfs_fs_info *fs_info,
ret = sysfs_create_group(fsid_kobj, &btrfs_feature_attr_group);
}
static int btrfs_init_debugfs(void)
static void btrfs_init_debugfs(void)
{
#ifdef CONFIG_DEBUG_FS
btrfs_debugfs_root_dentry = debugfs_create_dir("btrfs", NULL);
if (!btrfs_debugfs_root_dentry)
return -ENOMEM;
/*
* Example code, how to export data through debugfs.
@ -929,7 +927,6 @@ static int btrfs_init_debugfs(void)
#endif
#endif
return 0;
}
int __init btrfs_init_sysfs(void)
@ -940,9 +937,7 @@ int __init btrfs_init_sysfs(void)
if (!btrfs_kset)
return -ENOMEM;
ret = btrfs_init_debugfs();
if (ret)
goto out1;
btrfs_init_debugfs();
init_feature_attrs();
ret = sysfs_create_group(&btrfs_kset->kobj, &btrfs_feature_attr_group);
@ -959,7 +954,6 @@ int __init btrfs_init_sysfs(void)
sysfs_remove_group(&btrfs_kset->kobj, &btrfs_feature_attr_group);
out2:
debugfs_remove_recursive(btrfs_debugfs_root_dentry);
out1:
kset_unregister(btrfs_kset);
return ret;