[PATCH 1/1] ixgbe: check the ioremap return value first (supplementary CC)

[chuguangqing]

We should first check whether the ioremap return value is NULL before using it.

Signed-off-by: chuguangqing <chuguangqing@xxxxxxxxxx>
---
 drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 6eccfba51fac..97a49463b09d 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -11431,11 +11431,11 @@ static int ixgbe_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 	hw->hw_addr = ioremap(pci_resource_start(pdev, 0),
 			      pci_resource_len(pdev, 0));
-	adapter->io_addr = hw->hw_addr;
 	if (!hw->hw_addr) {
 		err = -EIO;
 		goto err_ioremap;
 	}
+	adapter->io_addr = hw->hw_addr;
 
 	/* Setup hw api */
 	hw->mac.ops   = *ii->mac_ops;
-- 
2.43.5