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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>
This commit is contained in:
Sudip Mukherjee 2016-01-21 16:40:36 -08:00 committed by Linus Torvalds
parent c2594bc37f
commit ff7d080e52
1 changed files with 1 additions and 1 deletions
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2
fs/reiserfs/super.c
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@ -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