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nvme fixes for Linux 5.15:

Browse source 
- fix the abort command id (Keith Busch)
  - nvme: fix per-namespace chardev deletion (Adam Manzanares)
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Merge tag 'nvme-5.15-2021-10-14' of git://git.infradead.org/nvme into block-5.15

Pull NVMe fixes from Christoph:

"nvme fixes for Linux 5.15:

 - fix the abort command id (Keith Busch)
 - nvme: fix per-namespace chardev deletion (Adam Manzanares)"

* tag 'nvme-5.15-2021-10-14' of git://git.infradead.org/nvme:
  nvme: fix per-namespace chardev deletion
  nvme-pci: Fix abort command id
This commit is contained in:
Jens Axboe 2021-10-14 09:07:14 -06:00
commit baa0ab2ba2
3 changed files with 13 additions and 12 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

21
drivers/nvme/host/core.c
View file

@ -3550,10 +3550,15 @@ static int __nvme_check_ids(struct nvme_subsystem *subsys,
return 0;
}
static void nvme_cdev_rel(struct device *dev)
{
ida_simple_remove(&nvme_ns_chr_minor_ida, MINOR(dev->devt));
}
void nvme_cdev_del(struct cdev *cdev, struct device *cdev_device)
{
cdev_device_del(cdev, cdev_device);
ida_simple_remove(&nvme_ns_chr_minor_ida, MINOR(cdev_device->devt));
put_device(cdev_device);
}
int nvme_cdev_add(struct cdev *cdev, struct device *cdev_device,
@ -3566,14 +3571,14 @@ int nvme_cdev_add(struct cdev *cdev, struct device *cdev_device,
return minor;
cdev_device->devt = MKDEV(MAJOR(nvme_ns_chr_devt), minor);
cdev_device->class = nvme_ns_chr_class;
cdev_device->release = nvme_cdev_rel;
device_initialize(cdev_device);
cdev_init(cdev, fops);
cdev->owner = owner;
ret = cdev_device_add(cdev, cdev_device);
if (ret) {
if (ret)
put_device(cdev_device);
ida_simple_remove(&nvme_ns_chr_minor_ida, minor);
}
return ret;
}
@ -3605,11 +3610,9 @@ static int nvme_add_ns_cdev(struct nvme_ns *ns)
ns->ctrl->instance, ns->head->instance);
if (ret)
return ret;
ret = nvme_cdev_add(&ns->cdev, &ns->cdev_device, &nvme_ns_chr_fops,
ns->ctrl->ops->module);
if (ret)
kfree_const(ns->cdev_device.kobj.name);
return ret;
return nvme_cdev_add(&ns->cdev, &ns->cdev_device, &nvme_ns_chr_fops,
ns->ctrl->ops->module);
}
static struct nvme_ns_head *nvme_alloc_ns_head(struct nvme_ctrl *ctrl,

2
drivers/nvme/host/multipath.c
View file

@ -431,8 +431,6 @@ static int nvme_add_ns_head_cdev(struct nvme_ns_head *head)
return ret;
ret = nvme_cdev_add(&head->cdev, &head->cdev_device,
&nvme_ns_head_chr_fops, THIS_MODULE);
if (ret)
kfree_const(head->cdev_device.kobj.name);
return ret;
}

2
drivers/nvme/host/pci.c
View file

@ -1330,7 +1330,7 @@ static enum blk_eh_timer_return nvme_timeout(struct request *req, bool reserved)
iod->aborted = 1;
cmd.abort.opcode = nvme_admin_abort_cmd;
cmd.abort.cid = req->tag;
cmd.abort.cid = nvme_cid(req);
cmd.abort.sqid = cpu_to_le16(nvmeq->qid);
dev_warn(nvmeq->dev->ctrl.device,