[V3,4/6] net/hns3: check PCI config space writes
Checks
Commit Message
Here adds a check for the return value when calling
rte_pci_write_config.
Coverity issue: 363714
Fixes: cea37e513329 ("net/hns3: fix FLR reset")
Cc: stable@dpdk.org
Signed-off-by: Lijun Ou <oulijun@huawei.com>
---
V2->V3:
- drop the un-related change
V1->V2:
- no fix
---
drivers/net/hns3/hns3_ethdev_vf.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
@@ -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;