minigbm: re-const-ify driver backends
minigbm driver creation needs to be re-entrant (see CL:674528). Let's
re-constify to make this behavior explicit.
BUG=none
TEST=emerge-eve {minigbm, arc-cros-gralloc}
Change-Id: I037966199d4aa6de60432127e10fea1fb602694b
Reviewed-on: https://chromium-review.googlesource.com/758142
Commit-Ready: Gurchetan Singh <gurchetansingh@chromium.org>
Tested-by: Gurchetan Singh <gurchetansingh@chromium.org>
Reviewed-by: Stéphane Marchesin <marcheu@chromium.org>
diff --git a/drv.c b/drv.c
index 683bea7..99ec561 100644
--- a/drv.c
+++ b/drv.c
@@ -21,40 +21,40 @@
#include "util.h"
#ifdef DRV_AMDGPU
-extern struct backend backend_amdgpu;
+extern const struct backend backend_amdgpu;
#endif
-extern struct backend backend_evdi;
+extern const struct backend backend_evdi;
#ifdef DRV_EXYNOS
-extern struct backend backend_exynos;
+extern const struct backend backend_exynos;
#endif
-extern struct backend backend_gma500;
+extern const struct backend backend_gma500;
#ifdef DRV_I915
-extern struct backend backend_i915;
+extern const struct backend backend_i915;
#endif
#ifdef DRV_MARVELL
-extern struct backend backend_marvell;
+extern const struct backend backend_marvell;
#endif
#ifdef DRV_MEDIATEK
-extern struct backend backend_mediatek;
+extern const struct backend backend_mediatek;
#endif
-extern struct backend backend_nouveau;
+extern const struct backend backend_nouveau;
#ifdef DRV_RADEON
-extern struct backend backend_radeon;
+extern const struct backend backend_radeon;
#endif
#ifdef DRV_ROCKCHIP
-extern struct backend backend_rockchip;
+extern const struct backend backend_rockchip;
#endif
#ifdef DRV_TEGRA
-extern struct backend backend_tegra;
+extern const struct backend backend_tegra;
#endif
-extern struct backend backend_udl;
+extern const struct backend backend_udl;
#ifdef DRV_VC4
-extern struct backend backend_vc4;
+extern const struct backend backend_vc4;
#endif
-extern struct backend backend_vgem;
-extern struct backend backend_virtio_gpu;
+extern const struct backend backend_vgem;
+extern const struct backend backend_virtio_gpu;
-static struct backend *drv_get_backend(int fd)
+static const struct backend *drv_get_backend(int fd)
{
drmVersionPtr drm_version;
unsigned int i;
@@ -64,7 +64,7 @@
if (!drm_version)
return NULL;
- struct backend *backend_list[] = {
+ const struct backend *backend_list[] = {
#ifdef DRV_AMDGPU
&backend_amdgpu,
#endif