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>
diff --git a/fs/hfs/btree.c b/fs/hfs/btree.c
index 31284c7..110dd35 100644
--- a/fs/hfs/btree.c
+++ b/fs/hfs/btree.c
@@ -61,7 +61,7 @@
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 @@
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;
}