21 Mar
2018
21 Mar
'18
3:44 p.m.
On Wed, 21 Mar 2018 15:08:47 +0100 Gerd Hoffmann kraxel@redhat.com wrote:
On unknown/unhandled ioctls the driver should return an error, so userspace knows it tried to use something unsupported.
Cc: stable@vger.kernel.org Signed-off-by: Gerd Hoffmann kraxel@redhat.com
drivers/gpu/drm/i915/gvt/kvmgt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c b/drivers/gpu/drm/i915/gvt/kvmgt.c index 021f722e24..f34d7f1e6c 100644 --- a/drivers/gpu/drm/i915/gvt/kvmgt.c +++ b/drivers/gpu/drm/i915/gvt/kvmgt.c @@ -1284,7 +1284,7 @@ static long intel_vgpu_ioctl(struct mdev_device *mdev, unsigned int cmd, }
- return 0;
- return -ENOTTY;
} static ssize_t
Reviewed-by: Alex Williamson alex.williamson@redhat.com