[PATCH DRAFT RFC UNTESTED 05/18] fs: open_tree()

[Christian Brauner <brauner@kernel.org>]

Placeholder commit message.

Signed-off-by: Christian Brauner <brauner@kernel.org>
---
 fs/namespace.c | 16 ++++------------
 1 file changed, 4 insertions(+), 12 deletions(-)

diff --git a/fs/namespace.c b/fs/namespace.c
index 25289b869be1..a6e170d6692d 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -3103,19 +3103,11 @@ static struct file *vfs_open_tree(int dfd, const char __user *filename, unsigned
 
 SYSCALL_DEFINE3(open_tree, int, dfd, const char __user *, filename, unsigned, flags)
 {
-	int fd;
-	struct file *file __free(fput) = NULL;
-
-	file = vfs_open_tree(dfd, filename, flags);
-	if (IS_ERR(file))
-		return PTR_ERR(file);
+	FD_PREPARE(fdprep, flags, vfs_open_tree(dfd, filename, flags));
+	if (fd_prepare_failed(fdprep))
+		return fd_prepare_error(fdprep);
 
-	fd = get_unused_fd_flags(flags & O_CLOEXEC);
-	if (fd < 0)
-		return fd;
-
-	fd_install(fd, no_free_ptr(file));
-	return fd;
+	return fd_publish(fdprep);
 }
 
 /*

-- 
2.47.3