From 46a39c1cd5d2f804b27e9a4be3fb1b510dda9570 Mon Sep 17 00:00:00 2001 From: Eric Sandeen Date: Thu, 17 Jan 2008 15:21:09 -0800 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 Cc: Roman Zippel Reported-by: Adrian Bunk Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/hfs/btree.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/fs/hfs/btree.c b/fs/hfs/btree.c index 31284c77bba8..110dd3515dc8 100644 --- a/fs/hfs/btree.c +++ b/fs/hfs/btree.c @@ -61,7 +61,7 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id, btree_keycmp ke 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)); @@ -99,11 +99,12 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id, btree_keycmp ke 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; } -- 2.20.1