nvme: fix lightnvm check
nvme_nvm_ns_supported assumes every device is a pci_dev, which leads to
reading an incorrect field, or possible even a dereference of unallocated
memory for fabrics controllers.
Fix this by introducing a quirk for lighnvm capable devices instead.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Matias Bjørling <mb@lightnvm.io>
Reviewed-by: Keith Busch <keith.busch@intel.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 198245f..6ba955c 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -2497,6 +2497,10 @@ static const struct pci_device_id nvme_id_table[] = {
.driver_data = NVME_QUIRK_DELAY_BEFORE_CHK_RDY, },
{ PCI_DEVICE(0x144d, 0xa822), /* Samsung PM1725a */
.driver_data = NVME_QUIRK_DELAY_BEFORE_CHK_RDY, },
+ { PCI_DEVICE(0x1d1d, 0x1f1f), /* LighNVM qemu device */
+ .driver_data = NVME_QUIRK_LIGHTNVM, },
+ { PCI_DEVICE(0x1d1d, 0x2807), /* CNEX WL */
+ .driver_data = NVME_QUIRK_LIGHTNVM, },
{ PCI_DEVICE_CLASS(PCI_CLASS_STORAGE_EXPRESS, 0xffffff) },
{ PCI_DEVICE(PCI_VENDOR_ID_APPLE, 0x2001) },
{ PCI_DEVICE(PCI_VENDOR_ID_APPLE, 0x2003) },