Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Pull vfs regression fix from Al Viro:
 "Fix for braino introduced in vfs.git#work.misc"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  amdkfd: Copy from the proper user command pointer
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
index d321222..d2b49c0 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
@@ -558,8 +558,7 @@
 		return -EINVAL;
 
 	/* this is the actual buffer to work with */
-
-	args_buff = memdup_user(args_buff,
+	args_buff = memdup_user(cmd_from_user,
 				args->buf_size_in_bytes - sizeof(*args));
 	if (IS_ERR(args_buff))
 		return PTR_ERR(args_buff);