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Subject[PATCH 1/6] __detach_mounts(): lookup_mountpoint() can't return ERR_PTR() anymore
Date
From: Al Viro <viro@zeniv.linux.org.uk>

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

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
fs/namespace.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/namespace.c b/fs/namespace.c
index 6fbc9126367a..746e3fd1f430 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++;
--
2.11.0
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