From: Tony Luck <tony.luck@intel.com>
Date: Fri, 18 Mar 2011 18:44:48 +0000 (-0700)
Subject: pstore: fix leaking ->i_private
X-Git-Tag: firefly_0821_release~7613^2~2127^2~5
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=a872d5101008b091035d579897bccefdeff70def;p=firefly-linux-kernel-4.4.55.git

pstore: fix leaking ->i_private

Move kfree() of i_private out of ->unlink() and into ->evict_inode()

Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

diff --git a/fs/pstore/inode.c b/fs/pstore/inode.c
index 08342232cb1c..f777f2902c49 100644
--- a/fs/pstore/inode.c
+++ b/fs/pstore/inode.c
@@ -73,11 +73,16 @@ static int pstore_unlink(struct inode *dir, struct dentry *dentry)
 	struct pstore_private *p = dentry->d_inode->i_private;
 
 	p->erase(p->id);
-	kfree(p);
 
 	return simple_unlink(dir, dentry);
 }
 
+static void pstore_evict_inode(struct inode *inode)
+{
+	end_writeback(inode);
+	kfree(inode->i_private);
+}
+
 static const struct inode_operations pstore_dir_inode_operations = {
 	.lookup		= simple_lookup,
 	.unlink		= pstore_unlink,
@@ -110,6 +115,7 @@ static struct inode *pstore_get_inode(struct super_block *sb,
 static const struct super_operations pstore_ops = {
 	.statfs		= simple_statfs,
 	.drop_inode	= generic_delete_inode,
+	.evict_inode	= pstore_evict_inode,
 	.show_options	= generic_show_options,
 };