switch open-coded instances of d_make_root() to new helper
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index a5d3b53..711c1a3 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -1472,7 +1472,6 @@
struct inode *inode =
cgroup_new_inode(S_IFDIR | S_IRUGO | S_IXUGO | S_IWUSR, sb);
- struct dentry *dentry;
if (!inode)
return -ENOMEM;
@@ -1481,12 +1480,9 @@
inode->i_op = &cgroup_dir_inode_operations;
/* directories start off with i_nlink == 2 (for "." entry) */
inc_nlink(inode);
- dentry = d_alloc_root(inode);
- if (!dentry) {
- iput(inode);
+ sb->s_root = d_make_root(inode);
+ if (!sb->s_root)
return -ENOMEM;
- }
- sb->s_root = dentry;
/* for everything else we want ->d_op set */
sb->s_d_op = &cgroup_dops;
return 0;