From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sat, 29 Jun 2019 16:06:51 +0000 (-0400)
Subject: __detach_mounts(): lookup_mountpoint() can't return ERR_PTR() anymore
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=adc9b5c09129fd8df17d83ca9a5b0532632a1b77;p=linux.git

__detach_mounts(): lookup_mountpoint() can't return ERR_PTR() anymore

... not since 1e9c75fb9c47 ("mnt: fix __detach_mounts infinite loop")

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

diff --git a/fs/namespace.c b/fs/namespace.c
index 6fbc9126367a1..746e3fd1f4307 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -1625,7 +1625,7 @@ void __detach_mounts(struct dentry *dentry)
 	namespace_lock();
 	lock_mount_hash();
 	mp = lookup_mountpoint(dentry);
-	if (IS_ERR_OR_NULL(mp))
+	if (!mp)
 		goto out_unlock;
 
 	event++;