switch open-coded instances of d_make_root() to new helper

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

1 files changed, 7 insertions, 17 deletions

diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index 86ee272de210..28bd64ddeda3 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -188,30 +188,20 @@ static int mqueue_fill_super(struct super_block *sb, void *data, int silent)
 {
         struct inode *inode;
         struct ipc_namespace *ns = data;
-        int error;
 
         sb->s_blocksize = PAGE_CACHE_SIZE;
         sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
         sb->s_magic = MQUEUE_MAGIC;
         sb->s_op = &mqueue_super_ops;
 
-        inode = mqueue_get_inode(sb, ns, S_IFDIR | S_ISVTX | S_IRWXUGO,
-                                NULL);
-        if (IS_ERR(inode)) {
-                error = PTR_ERR(inode);
-                goto out;
-        }
+        inode = mqueue_get_inode(sb, ns, S_IFDIR | S_ISVTX | S_IRWXUGO, NULL);
+        if (IS_ERR(inode))
+                return PTR_ERR(inode);
 
-        sb->s_root = d_alloc_root(inode);
-        if (!sb->s_root) {
-                iput(inode);
-                error = -ENOMEM;
-                goto out;
-        }
-        error = 0;
-
-out:
-        return error;
+        sb->s_root = d_make_root(inode);
+        if (!sb->s_root)
+                return -ENOMEM;
+        return 0;
 }
 
 static struct dentry *mqueue_mount(struct file_system_type *fs_type,