Because driver core can properly handle constant struct bus_type, move the cmm_subsys to be a constant structure as well, placing it into read-only memory which can not be modified at runtime.
Signed-off-by: Adrian Barnaś <abar...@google.com> --- arch/powerpc/platforms/pseries/cmm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/platforms/pseries/cmm.c b/arch/powerpc/platforms/pseries/cmm.c index 5e0a718d1be7..913642647fe9 100644 --- a/arch/powerpc/platforms/pseries/cmm.c +++ b/arch/powerpc/platforms/pseries/cmm.c @@ -375,7 +375,7 @@ static struct device_attribute *cmm_attrs[] = { static DEVICE_ULONG_ATTR(simulate_loan_target_kb, 0644, simulate_loan_target_kb); -static struct bus_type cmm_subsys = { +static const struct bus_type cmm_subsys = { .name = "cmm", .dev_name = "cmm", }; -- 2.51.0.470.ga7dc726c21-goog