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Message-ID: <478BD58A.705@redhat.com>
Date:	Mon, 14 Jan 2008 15:35:06 -0600
From:	Eric Sandeen <sandeen@...hat.com>
To:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...l.org>
CC:	Roman Zippel <zippel@...ux-m68k.org>, Adrian Bunk <bunk@...sta.de>
Subject: [PATCH] hfs: fix coverity-found null deref

Fix potential null deref introduced by commit
cf0594625083111ae522496dc1c256f7476939c2
http://bugzilla.kernel.org/show_bug.cgi?id=9748

Signed-off-by: Eric Sandeen <sandeen@...hat.com>

---

Index: linux-2.6.24-rc6-mm1/fs/hfs/btree.c
===================================================================
--- linux-2.6.24-rc6-mm1.orig/fs/hfs/btree.c
+++ linux-2.6.24-rc6-mm1/fs/hfs/btree.c
@@ -61,7 +61,7 @@ struct hfs_btree *hfs_btree_open(struct 
 	mapping = tree->inode->i_mapping;
 	page = read_mapping_page(mapping, 0, NULL);
 	if (IS_ERR(page))
-		goto free_tree;
+		goto free_inode;
 
 	/* Load the header */
 	head = (struct hfs_btree_header_rec *)(kmap(page) + sizeof(struct hfs_bnode_desc));
@@ -107,11 +107,12 @@ struct hfs_btree *hfs_btree_open(struct 
 	page_cache_release(page);
 	return tree;
 
- fail_page:
+fail_page:
 	page_cache_release(page);
- free_tree:
+free_inode:
 	tree->inode->i_mapping->a_ops = &hfs_aops;
 	iput(tree->inode);
+free_tree:
 	kfree(tree);
 	return NULL;
 }

--
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