diff --git a/drivers/gpu/drm/amd/ras/rascore/ras_core.c b/drivers/gpu/drm/amd/ras/rascore/ras_core.c index d6229f5f9a31..49b3aa7489ff 100644 --- a/drivers/gpu/drm/amd/ras/rascore/ras_core.c +++ b/drivers/gpu/drm/amd/ras/rascore/ras_core.c @@ -69,6 +69,9 @@ int ras_core_convert_timestamp_to_time(struct ras_core_context *ras_core, int seconds_per_minute = 60; int days, remaining_seconds; + if (!tm) + return -EINVAL; + days = div64_u64_rem(timestamp, seconds_per_day, &remainder); /* remainder will always be less than seconds_per_day. */ remaining_seconds = remainder; @@ -277,6 +280,9 @@ struct ras_core_context *ras_core_create(struct ras_core_config *init_config) struct ras_core_context *ras_core; struct ras_core_config *config; + if (!init_config) + return NULL; + ras_core = kzalloc_obj(*ras_core); if (!ras_core) return NULL; @@ -638,6 +644,9 @@ int ras_core_event_notify(struct ras_core_context *ras_core, int ras_core_get_device_system_info(struct ras_core_context *ras_core, struct device_system_info *dev_info) { + if (!dev_info) + return -EINVAL; + if (ras_core && ras_core->sys_fn && ras_core->sys_fn->get_device_system_info) return ras_core->sys_fn->get_device_system_info(ras_core, dev_info);