configfs: configfs_create() init callback is never NULL and it never fails

... so make it return void and drop the check for it being non-NULL

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

3 files changed, 6 insertions, 15 deletions

diff --git a/fs/configfs/configfs_internal.h b/fs/configfs/configfs_internal.h
index a315677e44d3..ed0fdd156880 100644
--- a/fs/configfs/configfs_internal.h
+++ b/fs/configfs/configfs_internal.h
@@ -69,7 +69,7 @@ extern struct kmem_cache *configfs_dir_cachep;
 extern int configfs_is_root(struct config_item *item);
 
 extern struct inode * configfs_new_inode(umode_t mode, struct configfs_dirent *, struct super_block *);
-extern int configfs_create(struct dentry *, umode_t mode, int (*init)(struct inode *));
+extern int configfs_create(struct dentry *, umode_t mode, void (*init)(struct inode *));
 
 extern int configfs_create_file(struct config_item *, const struct configfs_attribute *);
 extern int configfs_make_dirent(struct configfs_dirent *,
diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c
index c9c298bd3058..6371ba19ee43 100644
--- a/fs/configfs/dir.c
+++ b/fs/configfs/dir.c
@@ -240,27 +240,24 @@ int configfs_make_dirent(struct configfs_dirent * parent_sd,
         return 0;
 }
 
-static int init_dir(struct inode * inode)
+static void init_dir(struct inode * inode)
 {
         inode->i_op = &configfs_dir_inode_operations;
         inode->i_fop = &configfs_dir_operations;
 
         /* directory inodes start off with i_nlink == 2 (for "." entry) */
         inc_nlink(inode);
-        return 0;
 }
 
-static int configfs_init_file(struct inode * inode)
+static void configfs_init_file(struct inode * inode)
 {
         inode->i_size = PAGE_SIZE;
         inode->i_fop = &configfs_file_operations;
-        return 0;
 }
 
-static int init_symlink(struct inode * inode)
+static void init_symlink(struct inode * inode)
 {
         inode->i_op = &configfs_symlink_inode_operations;
-        return 0;
 }
 
 static int create_dir(struct config_item *k, struct dentry *d)
diff --git a/fs/configfs/inode.c b/fs/configfs/inode.c
index 65af86147154..60727db7b0a3 100644
--- a/fs/configfs/inode.c
+++ b/fs/configfs/inode.c
@@ -176,7 +176,7 @@ static void configfs_set_inode_lock_class(struct configfs_dirent *sd,
 
 #endif /* CONFIG_LOCKDEP */
 
-int configfs_create(struct dentry * dentry, umode_t mode, int (*init)(struct inode *))
+int configfs_create(struct dentry * dentry, umode_t mode, void (*init)(struct inode *))
 {
         int error = 0;
         struct inode *inode = NULL;
@@ -198,13 +198,7 @@ int configfs_create(struct dentry * dentry, umode_t mode, int (*init)(struct ino
         p_inode->i_mtime = p_inode->i_ctime = CURRENT_TIME;
         configfs_set_inode_lock_class(sd, inode);
 
-        if (init) {
-                error = init(inode);
-                if (error) {
-                        iput(inode);
-                        return error;
-                }
-        }
+        init(inode);
         d_instantiate(dentry, inode);
         if (S_ISDIR(mode) || S_ISLNK(mode))
                 dget(dentry);  /* pin link and directory dentries in core */