vc4: Clear padding of ioctl arguments.

Fixes valgrind complaints from valgrind being unaware of our ioctls.

diff --git a/src/gallium/drivers/vc4/vc4_bufmgr.c b/src/gallium/drivers/vc4/vc4_bufmgr.c
index 6d622c063d675beabe89af326ddc3e5691a42486..7664d860995400dd1234909ec4d4837080263e68 100644 (file)
--- a/src/gallium/drivers/vc4/vc4_bufmgr.c
+++ b/src/gallium/drivers/vc4/vc4_bufmgr.c
@@ -77,6 +77,7 @@ vc4_bo_free(struct vc4_bo *bo)
         }
 
         struct drm_gem_close c;
+        memset(&c, 0, sizeof(c));
         c.handle = bo->handle;
         int ret = drmIoctl(screen->fd, DRM_IOCTL_GEM_CLOSE, &c);
         if (ret != 0)