[patch] reiserfs: potential ERR_PTR dereference

[Dan Carpenter]

reiserfs_iget() returns an ERR_PTR on allocation failures.  All the
other callers check for it so we should check here too.

Signed-off-by: Dan Carpenter <error27@xxxxxxxxx>

diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index 0aab04f..6949b98 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -237,7 +237,7 @@ 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 */
 			reiserfs_warning(s, "vs-2180", "iget failed for %K",
--
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