lkml.org 
[lkml]   [2019]   [Oct]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 1/2] hfs: add a check for hfs_bnode_find
Date
hfs_brec_update_parent misses a check for hfs_bnode_find and may miss
the failure.
Add a check for it like what is done in again.

Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
---
fs/hfs/brec.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/fs/hfs/brec.c b/fs/hfs/brec.c
index 896396554bcc..e6af05a4cd1b 100644
--- a/fs/hfs/brec.c
+++ b/fs/hfs/brec.c
@@ -430,6 +430,8 @@ static int hfs_brec_update_parent(struct hfs_find_data *fd)
new_node->parent = tree->root;
}
fd->bnode = hfs_bnode_find(tree, new_node->parent);
+ if (IS_ERR(fd->bnode))
+ return PTR_ERR(fd->bnode);
/* create index key and entry */
hfs_bnode_read_key(new_node, fd->search_key, 14);
cnid = cpu_to_be32(new_node->this);
--
2.20.1
\
 
 \ /
  Last update: 2019-10-16 14:07    [W:0.033 / U:1.148 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site