linux-kernel - [RFC PATCH v3 32/59] file_[gs]etattr(2): switch to CLASS(filename_maybe

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Message-ID: <20251216035518.4037331-33-viro@zeniv.linux.org.uk>
Date: Tue, 16 Dec 2025 03:54:51 +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 32/59] file_[gs]etattr(2): switch to CLASS(filename_maybe_null)

Signed-off-by: Al Viro <viro@...iv.linux.org.uk>
---
 fs/file_attr.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/fs/file_attr.c b/fs/file_attr.c
index 915e9a40cd42..b547161be742 100644
--- a/fs/file_attr.c
+++ b/fs/file_attr.c
@@ -372,7 +372,6 @@ SYSCALL_DEFINE5(file_getattr, int, dfd, const char __user *, filename,
 		unsigned int, at_flags)
 {
 	struct path filepath __free(path_put) = {};
-	struct filename *name __free(putname) = NULL;
 	unsigned int lookup_flags = 0;
 	struct file_attr fattr;
 	struct file_kattr fa;
@@ -393,7 +392,7 @@ SYSCALL_DEFINE5(file_getattr, int, dfd, const char __user *, filename,
 	if (usize < FILE_ATTR_SIZE_VER0)
 		return -EINVAL;
 
-	name = getname_maybe_null(filename, at_flags);
+	CLASS(filename_maybe_null, name)(filename, at_flags);
 	if (!name && dfd >= 0) {
 		CLASS(fd, f)(dfd);
 		if (fd_empty(f))
@@ -426,7 +425,6 @@ SYSCALL_DEFINE5(file_setattr, int, dfd, const char __user *, filename,
 		unsigned int, at_flags)
 {
 	struct path filepath __free(path_put) = {};
-	struct filename *name __free(putname) = NULL;
 	unsigned int lookup_flags = 0;
 	struct file_attr fattr;
 	struct file_kattr fa;
@@ -456,7 +454,7 @@ SYSCALL_DEFINE5(file_setattr, int, dfd, const char __user *, filename,
 	if (error)
 		return error;
 
-	name = getname_maybe_null(filename, at_flags);
+	CLASS(filename_maybe_null, name)(filename, at_flags);
 	if (!name && dfd >= 0) {
 		CLASS(fd, f)(dfd);
 		if (fd_empty(f))
-- 
2.47.3