linux-kernel - [RFC PATCH v3 35/59] vfs_open_tree(): use CLASS(filename

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Message-ID: <20251216035518.4037331-36-viro@zeniv.linux.org.uk>
Date: Tue, 16 Dec 2025 03:54:54 +0000
From: Al Viro <viro@...iv.linux.org.uk>
To: linux-fsdevel@...r.kernel.org
Cc: torvalds@...ux-foundation.org,
	brauner@...nel.org,
	jack@...e.cz,
	mjguzik@...il.com,
	paul@...l-moore.com,
	axboe@...nel.dk,
	audit@...r.kernel.org,
	io-uring@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [RFC PATCH v3 35/59] vfs_open_tree(): use CLASS(filename_uflags)

Signed-off-by: Al Viro <viro@...iv.linux.org.uk>
---
 fs/namespace.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/fs/namespace.c b/fs/namespace.c
index d632180f9b1a..888df8ee43bc 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -3082,13 +3082,12 @@ static struct file *vfs_open_tree(int dfd, const char __user *filename, unsigned
 		lookup_flags &= ~LOOKUP_AUTOMOUNT;
 	if (flags & AT_SYMLINK_NOFOLLOW)
 		lookup_flags &= ~LOOKUP_FOLLOW;
-	if (flags & AT_EMPTY_PATH)
-		lookup_flags |= LOOKUP_EMPTY;
 
 	if (detached && !may_mount())
 		return ERR_PTR(-EPERM);
 
-	ret = user_path_at(dfd, filename, lookup_flags, &path);
+	CLASS(filename_uflags, name)(filename, flags);
+	ret = filename_lookup(dfd, name, lookup_flags, &path, NULL);
 	if (unlikely(ret))
 		return ERR_PTR(ret);
 
-- 
2.47.3