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 <[email protected]> Cc: Josef Bacik <[email protected]> Cc: David Sterba <[email protected]> Cc: [email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]> --- fs/btrfs/sysfs.c | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) Meta-comment, why is there a btrfs debugfs directory at all? All you have here is a single "test" file that doesn't do anything except expose a variable that never changes. What is this directory and single file for? Can I just delete the whole thing? diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c index 5a5930e3d32b..38cbb2076d6c 100644 --- a/fs/btrfs/sysfs.c +++ b/fs/btrfs/sysfs.c @@ -905,12 +905,10 @@ 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. @@ -924,7 +922,6 @@ static int btrfs_init_debugfs(void) #endif #endif - return 0; } int __init btrfs_init_sysfs(void) @@ -935,9 +932,7 @@ 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); @@ -954,7 +949,6 @@ 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; -- 2.20.1
