Commit a38547d4 authored by Al Viro's avatar Al Viro
Browse files

drm_read(): get rid of pointless access_ok() 



address is passed only to copy_to_user()

Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent d65aca9f

drivers/gpu/drm/drm_file.c

+0 −3
Original line number Diff line number Diff line
@@ -569,9 +569,6 @@ ssize_t drm_read(struct file *filp, char __user *buffer, 
	struct drm_device *dev = file_priv->minor->dev;

	ssize_t ret;



	if (!access_ok(buffer, count))

		return -EFAULT;



	ret = mutex_lock_interruptible(&file_priv->event_read_lock);

	if (ret)

		return ret;