diff mbox series

[RFC,13/62] debugfs: switch to ->free_inode()

Message ID 20190416175340.21068-13-viro@ZenIV.linux.org.uk (mailing list archive)
State New, archived
Headers show
Series [RFC,01/62] securityfs: fix use-after-free on symlink traversal | expand

Commit Message

Al Viro April 16, 2019, 5:52 p.m. UTC 
From: Al Viro <viro@zeniv.linux.org.uk>

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/debugfs/inode.c | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)
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Patch

diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c
index f25daa207421..414fa4752047 100644
--- a/fs/debugfs/inode.c
+++ b/fs/debugfs/inode.c
@@ -163,24 +163,18 @@  static int debugfs_show_options(struct seq_file *m, struct dentry *root)
 	return 0;
 }
 
-static void debugfs_i_callback(struct rcu_head *head)
+static void debugfs_free_inode(struct inode *inode)
 {
-	struct inode *inode = container_of(head, struct inode, i_rcu);
 	if (S_ISLNK(inode->i_mode))
 		kfree(inode->i_link);
 	free_inode_nonrcu(inode);
 }
 
-static void debugfs_destroy_inode(struct inode *inode)
-{
-	call_rcu(&inode->i_rcu, debugfs_i_callback);
-}
-
 static const struct super_operations debugfs_super_operations = {
 	.statfs		= simple_statfs,
 	.remount_fs	= debugfs_remount,
 	.show_options	= debugfs_show_options,
-	.destroy_inode	= debugfs_destroy_inode,
+	.free_inode	= debugfs_free_inode,
 };
 
 static void debugfs_release_dentry(struct dentry *dentry)