nvmet: fill discovery controller sn, fr and mn correctly (d4b3a174) · Commits · 戴 / test

drivers/nvme/target/discovery.c

+7 −1

Original line number	Diff line number	Diff line
		@@ -241,6 +241,7 @@ static void nvmet_execute_disc_identify(struct nvmet_req *req)
		{
		struct nvmet_ctrl *ctrl = req->sq->ctrl;
		struct nvme_id_ctrl *id;
		const char model[] = "Linux";
		u16 status = 0;

		if (!nvmet_check_data_len(req, NVME_IDENTIFY_DATA_SIZE))
		@@ -258,8 +259,13 @@ static void nvmet_execute_disc_identify(struct nvmet_req *req)
		goto out;
		}

		memset(id->sn, ' ', sizeof(id->sn));
		bin2hex(id->sn, &ctrl->subsys->serial,
		min(sizeof(ctrl->subsys->serial), sizeof(id->sn) / 2));
		memset(id->fr, ' ', sizeof(id->fr));
		strncpy((char *)id->fr, UTS_RELEASE, sizeof(id->fr));
		memcpy_and_pad(id->mn, sizeof(id->mn), model, sizeof(model) - 1, ' ');
		memcpy_and_pad(id->fr, sizeof(id->fr),
		UTS_RELEASE, strlen(UTS_RELEASE), ' ');

		/* no limit on data transfer sizes for now */
		id->mdts = 0;