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authorAl Viro <viro@zeniv.linux.org.uk>2020-05-07 21:13:55 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2020-05-29 11:05:54 -0400
commita38547d435cd91060b0d07cc11e24eee4c3f31aa (patch)
tree5a7f2421541f861db2611898b35b58a57bde5a94
parentd65aca9ff83b04fa1062800c7796d44729ef55af (diff)
downloadmicrowatt-a38547d435cd91060b0d07cc11e24eee4c3f31aa.tar.gz
drm_read(): get rid of pointless access_ok()
address is passed only to copy_to_user() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
-rw-r--r--drivers/gpu/drm/drm_file.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/gpu/drm/drm_file.c b/drivers/gpu/drm/drm_file.c
index eb009d3ab48fa3..6a1f6c80241551 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;