Merge tag 'pull-stable-struct_fd' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Pull 'struct fd' updates from Al Viro:
 "Just the 'struct fd' layout change, with conversion to accessor
  helpers"

* tag 'pull-stable-struct_fd' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  add struct fd constructors, get rid of __to_fd()
  struct fd: representation change
  introduce fd_file(), convert all accessors to it.

1 files changed, 6 insertions, 6 deletions

diff --git a/mm/memcontrol-v1.c b/mm/memcontrol-v1.c
index b37c0d870816..81d8819f13cd 100644
--- a/mm/memcontrol-v1.c
+++ b/mm/memcontrol-v1.c
@@ -1947,26 +1947,26 @@ static ssize_t memcg_write_event_control(struct kernfs_open_file *of,
 	INIT_WORK(&event->remove, memcg_event_remove);
 
 	efile = fdget(efd);
-	if (!efile.file) {
+	if (!fd_file(efile)) {
 		ret = -EBADF;
 		goto out_kfree;
 	}
 
-	event->eventfd = eventfd_ctx_fileget(efile.file);
+	event->eventfd = eventfd_ctx_fileget(fd_file(efile));
 	if (IS_ERR(event->eventfd)) {
 		ret = PTR_ERR(event->eventfd);
 		goto out_put_efile;
 	}
 
 	cfile = fdget(cfd);
-	if (!cfile.file) {
+	if (!fd_file(cfile)) {
 		ret = -EBADF;
 		goto out_put_eventfd;
 	}
 
 	/* the process need read permission on control file */
 	/* AV: shouldn't we check that it's been opened for read instead? */
-	ret = file_permission(cfile.file, MAY_READ);
+	ret = file_permission(fd_file(cfile), MAY_READ);
 	if (ret < 0)
 		goto out_put_cfile;
 
@@ -1974,7 +1974,7 @@ static ssize_t memcg_write_event_control(struct kernfs_open_file *of,
 	 * The control file must be a regular cgroup1 file. As a regular cgroup
 	 * file can't be renamed, it's safe to access its name afterwards.
 	 */
-	cdentry = cfile.file->f_path.dentry;
+	cdentry = fd_file(cfile)->f_path.dentry;
 	if (cdentry->d_sb->s_type != &cgroup_fs_type || !d_is_reg(cdentry)) {
 		ret = -EINVAL;
 		goto out_put_cfile;
@@ -2032,7 +2032,7 @@ static ssize_t memcg_write_event_control(struct kernfs_open_file *of,
 	if (ret)
 		goto out_put_css;
 
-	vfs_poll(efile.file, &event->pt);
+	vfs_poll(fd_file(efile), &event->pt);
 
 	spin_lock_irq(&memcg->event_list_lock);
 	list_add(&event->list, &memcg->event_list);