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treewide: Make all debug_obj_descriptors const

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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
This commit is contained in:
Stephen Boyd
2020-08-14 17:40:27 -07:00
committed by Thomas Gleixner
parent aedcade6f4
commit f9e62f318f
8 changed files with 12 additions and 12 deletions
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2
drivers/gpu/drm/i915/i915_active.c
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@@ -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,
};