nvmet: fix NULL dereference when removing a referral (f0e656e4) · Commits · 戴 / test

drivers/nvme/target/configfs.c

+9 −1

Original line number	Original line	Diff line number	Diff line
	@@ -1098,12 +1098,19 @@ static struct configfs_attribute *nvmet_referral_attrs[] = {
	NULL,		NULL,
	};		};

	static void nvmet_referral_release(struct config_item *item)		static void nvmet_referral_notify(struct config_group *group,
			struct config_item *item)
	{		{
	struct nvmet_port *parent = to_nvmet_port(item->ci_parent->ci_parent);		struct nvmet_port *parent = to_nvmet_port(item->ci_parent->ci_parent);
	struct nvmet_port *port = to_nvmet_port(item);		struct nvmet_port *port = to_nvmet_port(item);

	nvmet_referral_disable(parent, port);		nvmet_referral_disable(parent, port);
			}

			static void nvmet_referral_release(struct config_item *item)
			{
			struct nvmet_port *port = to_nvmet_port(item);

	kfree(port);		kfree(port);
	}		}

	@@ -1134,6 +1141,7 @@ static struct config_group *nvmet_referral_make(

	static struct configfs_group_operations nvmet_referral_group_ops = {		static struct configfs_group_operations nvmet_referral_group_ops = {
	.make_group = nvmet_referral_make,		.make_group = nvmet_referral_make,
			.disconnect_notify = nvmet_referral_notify,
	};		};

	static const struct config_item_type nvmet_referrals_type = {		static const struct config_item_type nvmet_referrals_type = {