Commit 9f591ae6 authored Mar 21, 2018 by Gerd Hoffmann Committed by Zhenyu Wang Mar 22, 2018

drm/i915/gvt: throw error on unhandled vfio ioctls



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>
Reviewed-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>

parent d8303075

drivers/gpu/drm/i915/gvt/kvmgt.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1254,7 +1254,7 @@ static long intel_vgpu_ioctl(struct mdev_device *mdev, unsigned int cmd,

		}

		return 0;
		return -ENOTTY;
		}

		static ssize_t