drm: Add missing __user annotation

The drm_copy_field() function copies strings into userspace buffers, so
the first parameter needs to have a __user annotation to avoid warnings
from the sparse checker.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Thierry Reding 2014-07-21 13:24:37 +02:00 committed by Dave Airlie
parent e7c3634713
commit d3cf40ed7f

View file

@ -233,7 +233,7 @@ module_exit(drm_core_exit);
/**
* Copy and IOCTL return string to user space
*/
static int drm_copy_field(char *buf, size_t *buf_len, const char *value)
static int drm_copy_field(char __user *buf, size_t *buf_len, const char *value)
{
int len;