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authorSudip Mukherjee <sudipm.mukherjee@gmail.com>2016-01-22 03:40:36 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2016-01-22 04:20:51 +0300
commitff7d080e528d8faf5bc175fd9909889af03e1566 (patch)
tree19acc35320f42bab238da12f98ce2b603adccff4 /fs/reiserfs
parentc2594bc37f4464bc74f2c119eb3269a643400aa0 (diff)
downloadlinux-ff7d080e528d8faf5bc175fd9909889af03e1566.tar.xz
reiserfs: fix dereference of ERR_PTR
reiserfs_iget() returns either NULL or error code in ERR_PTR. And we were only checking for NULL, so in case of some other error we will try to dereference the ERR_PTR(-errno) thinking it to be a valid pointer. Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/reiserfs')
-rw-r--r--fs/reiserfs/super.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index 05db7473bcb5..c0306ec8ed7b 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -288,7 +288,7 @@ static int finish_unfinished(struct super_block *s)
pathrelse(&path);
inode = reiserfs_iget(s, &obj_key);
- if (!inode) {
+ if (IS_ERR_OR_NULL(inode)) {
/*
* the unlink almost completed, it just did not
* manage to remove "save" link and release objectid