[PATCH v1 3/9] net/nbl: address nbl userdev error handling issues 490947

[Dimon Zhao]

Coverity issue: 490947

Signed-off-by: Dimon Zhao <dimon.zhao at nebula-matrix.com>
---
 drivers/net/nbl/nbl_common/nbl_userdev.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/nbl/nbl_common/nbl_userdev.c b/drivers/net/nbl/nbl_common/nbl_userdev.c
index 75e0e2884b..acae57020c 100644
--- a/drivers/net/nbl/nbl_common/nbl_userdev.c
+++ b/drivers/net/nbl/nbl_common/nbl_userdev.c
@@ -744,12 +744,15 @@ void nbl_pci_unmap_device(struct nbl_adapter *adapter)
 {
 	struct rte_pci_device *pci_dev = adapter->pci_dev;
 	struct nbl_common_info *common = &adapter->common;
+	int ret = 0;
 
 	if (NBL_IS_NOT_COEXISTENCE(common))
 		return rte_pci_unmap_device(pci_dev);
 
 	rte_mem_unmap(pci_dev->mem_resource[0].addr, pci_dev->mem_resource[0].len);
-	ioctl(common->devfd, NBL_DEV_USER_CLEAR_EVENTFD, 0);
+	ret = ioctl(common->devfd, NBL_DEV_USER_CLEAR_EVENTFD, 0);
+	if (ret)
+		NBL_LOG(ERR, "nbl userdev set clear eventfd failed, ret: %d", ret);
 	close(common->eventfd);
 	close(common->nl_socket_route);
 
-- 
2.34.1