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net/hns3: check PCI config space write

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Here adds a check for the return value when calling
rte_pci_write_config.

Coverity issue: 363714
Fixes: cea37e5133 ("net/hns3: fix FLR reset")
Cc: stable@dpdk.org

Signed-off-by: Lijun Ou <oulijun@huawei.com>
This commit is contained in:
Lijun Ou 2020-11-09 22:29:00 +08:00 committed by Ferruh Yigit
parent d3d3132436
commit 6dd32ded17
1 changed files with 6 additions and 2 deletions
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8
drivers/net/hns3/hns3_ethdev_vf.c
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@ -148,8 +148,12 @@ hns3vf_enable_msix(const struct rte_pci_device *device, bool op)
control |= PCI_MSIX_FLAGS_ENABLE;
else
control &= ~PCI_MSIX_FLAGS_ENABLE;
rte_pci_write_config(device, &control, sizeof(control),
(pos + PCI_MSIX_FLAGS));
ret = rte_pci_write_config(device, &control, sizeof(control),
(pos + PCI_MSIX_FLAGS));
if (ret < 0) {
PMD_INIT_LOG(ERR, "failed to write PCI offset 0x%x",
(pos + PCI_MSIX_FLAGS));
}
return 0;
}
return -ENXIO;