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block-5.11-2021-01-16

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Merge tag 'block-5.11-2021-01-16' of git://git.kernel.dk/linux-block

Pull block fixes from Jens Axboe:
 "Just an nvme pull request via Christoph:

   - don't initialize hwmon for discover controllers (Sagi Grimberg)

   - fix iov_iter handling in nvme-tcp (Sagi Grimberg)

   - fix a preempt warning in nvme-tcp (Sagi Grimberg)

   - fix a possible NULL pointer dereference in nvme (Israel Rukshin)"

* tag 'block-5.11-2021-01-16' of git://git.kernel.dk/linux-block:
  nvme: don't intialize hwmon for discovery controllers
  nvme-tcp: fix possible data corruption with bio merges
  nvme-tcp: Fix warning with CONFIG_DEBUG_PREEMPT
  nvmet-rdma: Fix NULL deref when setting pi_enable and traddr INADDR_ANY
This commit is contained in:
Linus Torvalds 2021-01-16 11:39:58 -08:00
commit 54c6247d06
3 changed files with 18 additions and 13 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
drivers/nvme/host/core.c
View file

@ -2856,6 +2856,11 @@ static const struct attribute_group *nvme_subsys_attrs_groups[] = {
NULL,
};
static inline bool nvme_discovery_ctrl(struct nvme_ctrl *ctrl)
{
return ctrl->opts && ctrl->opts->discovery_nqn;
}
static bool nvme_validate_cntlid(struct nvme_subsystem *subsys,
struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id)
{
@ -2875,7 +2880,7 @@ static bool nvme_validate_cntlid(struct nvme_subsystem *subsys,
}
if ((id->cmic & NVME_CTRL_CMIC_MULTI_CTRL) ||
(ctrl->opts && ctrl->opts->discovery_nqn))
nvme_discovery_ctrl(ctrl))
continue;
dev_err(ctrl->device,
@ -3144,7 +3149,7 @@ int nvme_init_identify(struct nvme_ctrl *ctrl)
goto out_free;
}
if (!ctrl->opts->discovery_nqn && !ctrl->kas) {
if (!nvme_discovery_ctrl(ctrl) && !ctrl->kas) {
dev_err(ctrl->device,
"keep-alive support is mandatory for fabrics\n");
ret = -EINVAL;
@ -3184,7 +3189,7 @@ int nvme_init_identify(struct nvme_ctrl *ctrl)
if (ret < 0)
return ret;
if (!ctrl->identified) {
if (!ctrl->identified && !nvme_discovery_ctrl(ctrl)) {
ret = nvme_hwmon_init(ctrl);
if (ret < 0)
return ret;

4
drivers/nvme/host/tcp.c
View file

@ -201,7 +201,7 @@ static inline size_t nvme_tcp_req_cur_offset(struct nvme_tcp_request *req)
static inline size_t nvme_tcp_req_cur_length(struct nvme_tcp_request *req)
{
return min_t(size_t, req->iter.bvec->bv_len - req->iter.iov_offset,
return min_t(size_t, iov_iter_single_seg_count(&req->iter),
req->pdu_len - req->pdu_sent);
}
@ -286,7 +286,7 @@ static inline void nvme_tcp_queue_request(struct nvme_tcp_request *req,
* directly, otherwise queue io_work. Also, only do that if we
* are on the same cpu, so we don't introduce contention.
*/
if (queue->io_cpu == smp_processor_id() &&
if (queue->io_cpu == __smp_processor_id() &&
sync && empty && mutex_trylock(&queue->send_mutex)) {
queue->more_requests = !last;
nvme_tcp_send_all(queue);

16
drivers/nvme/target/rdma.c
View file

@ -1220,6 +1220,14 @@ nvmet_rdma_find_get_device(struct rdma_cm_id *cm_id)
}
ndev->inline_data_size = nport->inline_data_size;
ndev->inline_page_count = inline_page_count;
if (nport->pi_enable && !(cm_id->device->attrs.device_cap_flags &
IB_DEVICE_INTEGRITY_HANDOVER)) {
pr_warn("T10-PI is not supported by device %s. Disabling it\n",
cm_id->device->name);
nport->pi_enable = false;
}
ndev->device = cm_id->device;
kref_init(&ndev->ref);
@ -1855,14 +1863,6 @@ static int nvmet_rdma_enable_port(struct nvmet_rdma_port *port)
goto out_destroy_id;
}
if (port->nport->pi_enable &&
!(cm_id->device->attrs.device_cap_flags &
IB_DEVICE_INTEGRITY_HANDOVER)) {
pr_err("T10-PI is not supported for %pISpcs\n", addr);
ret = -EINVAL;
goto out_destroy_id;
}
port->cm_id = cm_id;
return 0;