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[Qemu-block] [PATCH 3/4] nvme: check msix_init_exclusive_bar return valu
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From: |
Li Qiang |
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Subject: |
[Qemu-block] [PATCH 3/4] nvme: check msix_init_exclusive_bar return value |
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Date: |
Mon, 29 Oct 2018 22:18:39 -0700 |
As this function can fail.
Signed-off-by: Li Qiang <address@hidden>
---
hw/block/nvme.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/hw/block/nvme.c b/hw/block/nvme.c
index 72c9644..a406c23 100644
--- a/hw/block/nvme.c
+++ b/hw/block/nvme.c
@@ -1250,7 +1250,10 @@ static void nvme_realize(PCIDevice *pci_dev, Error
**errp)
pci_register_bar(&n->parent_obj, 0,
PCI_BASE_ADDRESS_SPACE_MEMORY | PCI_BASE_ADDRESS_MEM_TYPE_64,
&n->iomem);
- msix_init_exclusive_bar(&n->parent_obj, n->num_queues, 4, NULL);
+ if (msix_init_exclusive_bar(&n->parent_obj, n->num_queues, 4, NULL)) {
+ error_setg(errp, "msix_init_exclusive_bar failed");
+ return;
+ }
id->vid = cpu_to_le16(pci_get_word(pci_conf + PCI_VENDOR_ID));
id->ssvid = cpu_to_le16(pci_get_word(pci_conf + PCI_SUBSYSTEM_VENDOR_ID));
--
1.8.3.1