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authorEric Sandeen <sandeen@redhat.com>2008-01-17 15:21:09 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-01-17 15:38:58 -0800
commit46a39c1cd5d2f804b27e9a4be3fb1b510dda9570 (patch)
tree1f085f3303baa0f47feeb3b36d54e169bc5e210e
parent6915719b36a97d28fab576c6fa2a20364b435fe6 (diff)
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@redhat.com> Cc: Roman Zippel <zippel@linux-m68k.org> Reported-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--fs/hfs/btree.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/fs/hfs/btree.c b/fs/hfs/btree.c
index 31284c77bba..110dd3515dc 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;
}