[PATCH] drm/i915: Use designated initializers for init/exit table

From: Kees Cook
Date: Tue Aug 17 2021 - 19:34:04 EST


The kernel builds with -Werror=designated-init, and __designated_init
is used by CONFIG_GCC_PLUGIN_RANDSTRUCT for automatically selected (all
function pointer) structures. Include the field names in the init/exit
table. Avoids warnings like:

drivers/gpu/drm/i915/i915_module.c:59:4: error: positional initialization of field in 'struct' declared with 'designated_init' attribute [-Werror=designated-init]

Cc: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx>
Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
Cc: David Airlie <airlied@xxxxxxxx>
Cc: intel-gfx@xxxxxxxxxxxxxxxxxxxxx
Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
Fixes: a04ea6ae7c67 ("drm/i915: Use a table for i915_init/exit (v2)")
Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_module.c | 37 +++++++++++++++++++-----------
1 file changed, 24 insertions(+), 13 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_module.c b/drivers/gpu/drm/i915/i915_module.c
index c578ea8f56a0..d8b4482c69d0 100644
--- a/drivers/gpu/drm/i915/i915_module.c
+++ b/drivers/gpu/drm/i915/i915_module.c
@@ -47,19 +47,30 @@ static const struct {
int (*init)(void);
void (*exit)(void);
} init_funcs[] = {
- { i915_check_nomodeset, NULL },
- { i915_active_module_init, i915_active_module_exit },
- { i915_buddy_module_init, i915_buddy_module_exit },
- { i915_context_module_init, i915_context_module_exit },
- { i915_gem_context_module_init, i915_gem_context_module_exit },
- { i915_objects_module_init, i915_objects_module_exit },
- { i915_request_module_init, i915_request_module_exit },
- { i915_scheduler_module_init, i915_scheduler_module_exit },
- { i915_vma_module_init, i915_vma_module_exit },
- { i915_mock_selftests, NULL },
- { i915_pmu_init, i915_pmu_exit },
- { i915_register_pci_driver, i915_unregister_pci_driver },
- { i915_perf_sysctl_register, i915_perf_sysctl_unregister },
+ { .init = i915_check_nomodeset },
+ { .init = i915_active_module_init,
+ .exit = i915_active_module_exit },
+ { .init = i915_buddy_module_init,
+ .exit = i915_buddy_module_exit },
+ { .init = i915_context_module_init,
+ .exit = i915_context_module_exit },
+ { .init = i915_gem_context_module_init,
+ .exit = i915_gem_context_module_exit },
+ { .init = i915_objects_module_init,
+ .exit = i915_objects_module_exit },
+ { .init = i915_request_module_init,
+ .exit = i915_request_module_exit },
+ { .init = i915_scheduler_module_init,
+ .exit = i915_scheduler_module_exit },
+ { .init = i915_vma_module_init,
+ .exit = i915_vma_module_exit },
+ { .init = i915_mock_selftests },
+ { .init = i915_pmu_init,
+ .exit = i915_pmu_exit },
+ { .init = i915_register_pci_driver,
+ .exit = i915_unregister_pci_driver },
+ { .init = i915_perf_sysctl_register,
+ .exit = i915_perf_sysctl_unregister },
};
static int init_progress;

--
2.30.2