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-rw-r--r--drivers/nvme/host/nvme.h5
-rw-r--r--drivers/nvme/host/pci.c14
-rw-r--r--drivers/nvme/target/auth.c2
-rw-r--r--drivers/nvme/target/configfs.c5
-rw-r--r--drivers/nvme/target/core.c3
-rw-r--r--drivers/nvme/target/rdma.c16
6 files changed, 25 insertions, 20 deletions
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index b564c5f1450c..05532c281177 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -162,6 +162,11 @@ enum nvme_quirks {
* Disables simple suspend/resume path.
*/
NVME_QUIRK_FORCE_NO_SIMPLE_SUSPEND = (1 << 20),
+
+ /*
+ * MSI (but not MSI-X) interrupts are broken and never fire.
+ */
+ NVME_QUIRK_BROKEN_MSI = (1 << 21),
};
/*
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index e393f6947ce4..710043086dff 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -2224,6 +2224,7 @@ static int nvme_setup_irqs(struct nvme_dev *dev, unsigned int nr_io_queues)
.priv = dev,
};
unsigned int irq_queues, poll_queues;
+ unsigned int flags = PCI_IRQ_ALL_TYPES | PCI_IRQ_AFFINITY;
/*
* Poll queues don't need interrupts, but we need at least one I/O queue
@@ -2247,8 +2248,10 @@ static int nvme_setup_irqs(struct nvme_dev *dev, unsigned int nr_io_queues)
irq_queues = 1;
if (!(dev->ctrl.quirks & NVME_QUIRK_SINGLE_VECTOR))
irq_queues += (nr_io_queues - poll_queues);
- return pci_alloc_irq_vectors_affinity(pdev, 1, irq_queues,
- PCI_IRQ_ALL_TYPES | PCI_IRQ_AFFINITY, &affd);
+ if (dev->ctrl.quirks & NVME_QUIRK_BROKEN_MSI)
+ flags &= ~PCI_IRQ_MSI;
+ return pci_alloc_irq_vectors_affinity(pdev, 1, irq_queues, flags,
+ &affd);
}
static unsigned int nvme_max_io_queues(struct nvme_dev *dev)
@@ -2477,6 +2480,7 @@ static int nvme_pci_enable(struct nvme_dev *dev)
{
int result = -ENOMEM;
struct pci_dev *pdev = to_pci_dev(dev->dev);
+ unsigned int flags = PCI_IRQ_ALL_TYPES;
if (pci_enable_device_mem(pdev))
return result;
@@ -2493,7 +2497,9 @@ static int nvme_pci_enable(struct nvme_dev *dev)
* interrupts. Pre-enable a single MSIX or MSI vec for setup. We'll
* adjust this later.
*/
- result = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_ALL_TYPES);
+ if (dev->ctrl.quirks & NVME_QUIRK_BROKEN_MSI)
+ flags &= ~PCI_IRQ_MSI;
+ result = pci_alloc_irq_vectors(pdev, 1, 1, flags);
if (result < 0)
goto disable;
@@ -3390,6 +3396,8 @@ static const struct pci_device_id nvme_id_table[] = {
.driver_data = NVME_QUIRK_DELAY_BEFORE_CHK_RDY |
NVME_QUIRK_DISABLE_WRITE_ZEROES|
NVME_QUIRK_IGNORE_DEV_SUBNQN, },
+ { PCI_DEVICE(0x15b7, 0x5008), /* Sandisk SN530 */
+ .driver_data = NVME_QUIRK_BROKEN_MSI },
{ PCI_DEVICE(0x1987, 0x5012), /* Phison E12 */
.driver_data = NVME_QUIRK_BOGUS_NID, },
{ PCI_DEVICE(0x1987, 0x5016), /* Phison E16 */
diff --git a/drivers/nvme/target/auth.c b/drivers/nvme/target/auth.c
index fb518b00f71f..4f08362aee8b 100644
--- a/drivers/nvme/target/auth.c
+++ b/drivers/nvme/target/auth.c
@@ -480,7 +480,7 @@ out_free_response:
nvme_auth_free_key(transformed_key);
out_free_tfm:
crypto_free_shash(shash_tfm);
- return 0;
+ return ret;
}
int nvmet_auth_ctrl_exponential(struct nvmet_req *req,
diff --git a/drivers/nvme/target/configfs.c b/drivers/nvme/target/configfs.c
index 89a001101a7f..7fda69395c1e 100644
--- a/drivers/nvme/target/configfs.c
+++ b/drivers/nvme/target/configfs.c
@@ -757,10 +757,9 @@ static struct configfs_attribute *nvmet_ns_attrs[] = {
bool nvmet_subsys_nsid_exists(struct nvmet_subsys *subsys, u32 nsid)
{
struct config_item *ns_item;
- char name[4] = {};
+ char name[12];
- if (sprintf(name, "%u", nsid) <= 0)
- return false;
+ snprintf(name, sizeof(name), "%u", nsid);
mutex_lock(&subsys->namespaces_group.cg_subsys->su_mutex);
ns_item = config_group_find_item(&subsys->namespaces_group, name);
mutex_unlock(&subsys->namespaces_group.cg_subsys->su_mutex);
diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c
index e06013c5dace..2fde22323622 100644
--- a/drivers/nvme/target/core.c
+++ b/drivers/nvme/target/core.c
@@ -1686,7 +1686,8 @@ static int __init nvmet_init(void)
if (!buffered_io_wq)
goto out_free_zbd_work_queue;
- nvmet_wq = alloc_workqueue("nvmet-wq", WQ_MEM_RECLAIM, 0);
+ nvmet_wq = alloc_workqueue("nvmet-wq",
+ WQ_MEM_RECLAIM | WQ_UNBOUND, 0);
if (!nvmet_wq)
goto out_free_buffered_work_queue;
diff --git a/drivers/nvme/target/rdma.c b/drivers/nvme/target/rdma.c
index 5b8c63e74639..6e1b4140cde0 100644
--- a/drivers/nvme/target/rdma.c
+++ b/drivers/nvme/target/rdma.c
@@ -474,12 +474,8 @@ nvmet_rdma_alloc_rsps(struct nvmet_rdma_queue *queue)
return 0;
out_free:
- while (--i >= 0) {
- struct nvmet_rdma_rsp *rsp = &queue->rsps[i];
-
- list_del(&rsp->free_list);
- nvmet_rdma_free_rsp(ndev, rsp);
- }
+ while (--i >= 0)
+ nvmet_rdma_free_rsp(ndev, &queue->rsps[i]);
kfree(queue->rsps);
out:
return ret;
@@ -490,12 +486,8 @@ static void nvmet_rdma_free_rsps(struct nvmet_rdma_queue *queue)
struct nvmet_rdma_device *ndev = queue->dev;
int i, nr_rsps = queue->recv_queue_size * 2;
- for (i = 0; i < nr_rsps; i++) {
- struct nvmet_rdma_rsp *rsp = &queue->rsps[i];
-
- list_del(&rsp->free_list);
- nvmet_rdma_free_rsp(ndev, rsp);
- }
+ for (i = 0; i < nr_rsps; i++)
+ nvmet_rdma_free_rsp(ndev, &queue->rsps[i]);
kfree(queue->rsps);
}