diff options
| author | Stephen Boyd <swboyd@chromium.org> | 2020-08-14 17:40:27 -0700 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2020-09-24 21:56:25 +0200 |
| commit | f9e62f318fd706a54b7ce9b28e5c7e49bbde8788 (patch) | |
| tree | 6c94a6e2e3fae032ac087c0a5857fe3c81cc295d /drivers/gpu/drm | |
| parent | aedcade6f4fa9a1e65f327fc42de3fb47660646c (diff) | |
treewide: Make all debug_obj_descriptors const
This should make it harder for the kernel to corrupt the debug object
descriptor, used to call functions to fixup state and track debug objects,
by moving the structure to read-only memory.
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20200815004027.2046113-3-swboyd@chromium.org
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_active.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_sw_fence.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_active.c b/drivers/gpu/drm/i915/i915_active.c index d960d0be5bd2..839bd53df6e9 100644 --- a/drivers/gpu/drm/i915/i915_active.c +++ b/drivers/gpu/drm/i915/i915_active.c @@ -81,7 +81,7 @@ static void *active_debug_hint(void *addr) return (void *)ref->active ?: (void *)ref->retire ?: (void *)ref; } -static struct debug_obj_descr active_debug_desc = { +static const struct debug_obj_descr active_debug_desc = { .name = "i915_active", .debug_hint = active_debug_hint, }; diff --git a/drivers/gpu/drm/i915/i915_sw_fence.c b/drivers/gpu/drm/i915/i915_sw_fence.c index 4cd2038cbe35..038d4c6884c5 100644 --- a/drivers/gpu/drm/i915/i915_sw_fence.c +++ b/drivers/gpu/drm/i915/i915_sw_fence.c @@ -34,7 +34,7 @@ static void *i915_sw_fence_debug_hint(void *addr) #ifdef CONFIG_DRM_I915_SW_FENCE_DEBUG_OBJECTS -static struct debug_obj_descr i915_sw_fence_debug_descr = { +static const struct debug_obj_descr i915_sw_fence_debug_descr = { .name = "i915_sw_fence", .debug_hint = i915_sw_fence_debug_hint, }; |