From a38547d435cd91060b0d07cc11e24eee4c3f31aa Mon Sep 17 00:00:00 2001 From: Al Viro Date: Thu, 7 May 2020 21:13:55 -0400 Subject: drm_read(): get rid of pointless access_ok() address is passed only to copy_to_user() Signed-off-by: Al Viro --- drivers/gpu/drm/drm_file.c | 3 --- 1 file changed, 3 deletions(-) (limited to 'drivers/gpu/drm/drm_file.c') diff --git a/drivers/gpu/drm/drm_file.c b/drivers/gpu/drm/drm_file.c index eb009d3ab48f..6a1f6c802415 100644 --- a/drivers/gpu/drm/drm_file.c +++ b/drivers/gpu/drm/drm_file.c @@ -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; -- cgit v1.2.3