pr.c (c34e9ab9a612ee8b18273398ef75c207b01f516d) pr.c (41d826c8a9de37af5d1710a37b55720bd5ad8709)
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * NVMe over Fabrics Persist Reservation.
4 * Copyright (c) 2024 Guixin Liu, Alibaba Group.
5 * All rights reserved.
6 */
7#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
8#include <linux/unaligned.h>

--- 814 unchanged lines hidden (view full) ---

823 }
824
825 if (num_bytes < sizeof(struct nvme_reservation_status_ext)) {
826 req->error_loc = offsetof(struct nvme_common_command, cdw10);
827 status = NVME_SC_INVALID_FIELD | NVME_STATUS_DNR;
828 goto out;
829 }
830
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * NVMe over Fabrics Persist Reservation.
4 * Copyright (c) 2024 Guixin Liu, Alibaba Group.
5 * All rights reserved.
6 */
7#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
8#include <linux/unaligned.h>

--- 814 unchanged lines hidden (view full) ---

823 }
824
825 if (num_bytes < sizeof(struct nvme_reservation_status_ext)) {
826 req->error_loc = offsetof(struct nvme_common_command, cdw10);
827 status = NVME_SC_INVALID_FIELD | NVME_STATUS_DNR;
828 goto out;
829 }
830
831 data = kmalloc(num_bytes, GFP_KERNEL);
831 data = kzalloc(num_bytes, GFP_KERNEL);
832 if (!data) {
833 status = NVME_SC_INTERNAL;
834 goto out;
835 }
832 if (!data) {
833 status = NVME_SC_INTERNAL;
834 goto out;
835 }
836 memset(data, 0, num_bytes);
837 data->gen = cpu_to_le32(atomic_read(&pr->generation));
838 data->ptpls = 0;
839 ctrl_eds = data->regctl_eds;
840
841 rcu_read_lock();
842 holder = rcu_dereference(pr->holder);
843 rtype = holder ? holder->rtype : 0;
844 data->rtype = rtype;

--- 312 unchanged lines hidden --- 		836 data->gen = cpu_to_le32(atomic_read(&pr->generation));
837 data->ptpls = 0;
838 ctrl_eds = data->regctl_eds;
839
840 rcu_read_lock();
841 holder = rcu_dereference(pr->holder);
842 rtype = holder ? holder->rtype : 0;
843 data->rtype = rtype;

--- 312 unchanged lines hidden ---