Mesa (master): broadcom/vc4: Fix false-positive for the tiling ioctls on simulator mode.

[Eric Anholt]

Module: Mesa
Branch: master
Commit: cde209960c19ff866fa5a337541b68ef67198c48
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=cde209960c19ff866fa5a337541b68ef67198c48

Author: Eric Anholt <eric at anholt.net>
Date:   Fri Oct 13 12:22:33 2017 -0700

broadcom/vc4: Fix false-positive for the tiling ioctls on simulator mode.

If there happened to be an ENOENT laying around, we would try using the
ioctls later and fail out resource allocation.

---

 src/gallium/drivers/vc4/vc4_simulator.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/gallium/drivers/vc4/vc4_simulator.c b/src/gallium/drivers/vc4/vc4_simulator.c
index e70ade7d35..a73e409694 100644
--- a/src/gallium/drivers/vc4/vc4_simulator.c
+++ b/src/gallium/drivers/vc4/vc4_simulator.c
@@ -663,6 +663,7 @@ vc4_simulator_ioctl(int fd, unsigned long request, void *args)
                 /* Disable these for now, since the sharing with i965 requires
                  * linear buffers.
                  */
+                errno = -EINVAL;
                 return -1;
 
         case DRM_IOCTL_VC4_GET_PARAM: