[PATCH v1 6/9] net/nbl: address nbl userdev Error handling issues 490951

[Dimon Zhao]

Coverity issue: 490951

Signed-off-by: Dimon Zhao <dimon.zhao at nebula-matrix.com>
---
 drivers/net/nbl/nbl_common/nbl_userdev.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/net/nbl/nbl_common/nbl_userdev.c b/drivers/net/nbl/nbl_common/nbl_userdev.c
index acae57020c..c0bc995b64 100644
--- a/drivers/net/nbl/nbl_common/nbl_userdev.c
+++ b/drivers/net/nbl/nbl_common/nbl_userdev.c
@@ -715,7 +715,11 @@ int nbl_pci_map_device(struct nbl_adapter *adapter)
 	}
 
 	common->eventfd = fd;
-	ioctl(common->devfd, NBL_DEV_USER_GET_BAR_SIZE, &bar_size);
+	ret = ioctl(common->devfd, NBL_DEV_USER_GET_BAR_SIZE, &bar_size);
+	if (ret) {
+		NBL_LOG(ERR, "nbl userdev get bar size failed");
+		goto close_eventfd;
+	}
 
 	if (!ret) {
 		pci_dev->mem_resource[0].addr = nbl_userdev_mmap(common->devfd, 0, bar_size);
-- 
2.34.1