[PATCH 4/5] overlayfs: switch from d_alloc_root() to d_make_root()

[Andy Whitcroft <apw@xxxxxxxxxxxxx>]

d_alloc_root() has been deprecated (and removed) in favour of
d_make_root().  Follow this new interface.

Signed-off-by: Andy Whitcroft <apw@xxxxxxxxxxxxx>
---
 fs/overlayfs/super.c |   14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index b679019..24bdcc5 100644
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -538,13 +538,9 @@ static int ovl_fill_super(struct super_block *sb, void *data, int silent)
 	if (oe == NULL)
 		goto out_free_config;
 
-	root_inode = ovl_new_inode(sb, S_IFDIR, oe);
-	if (!root_inode)
-		goto out_free_oe;
-
 	err = kern_path(ufs->config.upperdir, LOOKUP_FOLLOW, &upperpath);
 	if (err)
-		goto out_put_root;
+		goto out_free_oe;
 
 	err = kern_path(ufs->config.lowerdir, LOOKUP_FOLLOW, &lowerpath);
 	if (err)
@@ -596,7 +592,11 @@ static int ovl_fill_super(struct super_block *sb, void *data, int silent)
 	}
 
 	err = -ENOMEM;
-	root_dentry = d_alloc_root(root_inode);
+	root_inode = ovl_new_inode(sb, S_IFDIR, oe);
+	if (!root_inode)
+		goto out_drop_write;
+
+	root_dentry = d_make_root(root_inode);
 	if (!root_dentry)
 		goto out_drop_write;
 
@@ -626,8 +626,6 @@ out_put_lowerpath:
 	path_put(&lowerpath);
 out_put_upperpath:
 	path_put(&upperpath);
-out_put_root:
-	iput(root_inode);
 out_free_oe:
 	kfree(oe);
 out_free_config:
-- 
1.7.9.5

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