[4/5] net/hns3: check PCI config space writes
Checks
Commit Message
Here adds a check for the return value when calling
rte_pci_wirte_config.
Coverity issue: 363714
Fixes: cea37e513329 ("net/hns3: fix FLR reset")
Cc: stable@dpdk.org
Signed-off-by: Lijun Ou <oulijun@huawei.com>
---
drivers/net/hns3/hns3_ethdev_vf.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
@@ -139,7 +139,7 @@ hns3vf_enable_msix(const struct rte_pci_device *device, bool op)
ret = rte_pci_read_config(device, &control, sizeof(control),
(pos + PCI_MSIX_FLAGS));
if (ret < 0) {
- PMD_INIT_LOG(ERR, "Failed to read PCI offset 0x%x",
+ PMD_INIT_LOG(ERR, "failed to read PCI offset 0x%x",
(pos + PCI_MSIX_FLAGS));
return -ENXIO;
}
@@ -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;