Unverified Commit 416b0d16 authored by Christian Brauner's avatar Christian Brauner
Browse files

namespace: convert open_tree_attr() to FD_PREPARE() 

Link: https://patch.msgid.link/20251123-work-fd-prepare-v4-6-b6efa1706cfd@kernel.org


Signed-off-by: default avatarChristian Brauner <brauner@kernel.org>
parent 542a4065

fs/namespace.c

+6 −13
Original line number Diff line number Diff line
@@ -5023,19 +5023,17 @@ SYSCALL_DEFINE5(open_tree_attr, int, dfd, const char __user *, filename, 
		unsigned, flags, struct mount_attr __user *, uattr,

		size_t, usize)

{

	struct file __free(fput) *file = NULL;

	int fd;



	if (!uattr && usize)

		return -EINVAL;



	file = vfs_open_tree(dfd, filename, flags);

	if (IS_ERR(file))

		return PTR_ERR(file);

	FD_PREPARE(fdf, flags, vfs_open_tree(dfd, filename, flags));

	if (fdf.err)

		return fdf.err;



	if (uattr) {

		int ret;

		struct mount_kattr kattr = {};

		struct file *file = fd_prepare_file(fdf);

		int ret;



		if (flags & OPEN_TREE_CLONE)

			kattr.kflags = MOUNT_KATTR_IDMAP_REPLACE;
@@ -5051,12 +5049,7 @@ SYSCALL_DEFINE5(open_tree_attr, int, dfd, const char __user *, filename, 
			return ret;

	}



	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(fdf);

}



int show_path(struct seq_file *m, struct dentry *root)