From: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Date: Mon, 29 Jun 2020 12:03:37 +0000 (+0200)
Subject: net: ethernet: ixgbe: check the return value of ixgbe_mii_bus_init()
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=09ef193fef7efb0175a04634853862d717adbb95;p=linux.git

net: ethernet: ixgbe: check the return value of ixgbe_mii_bus_init()

This function may fail. Check its return value and propagate the error
code.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 254486e6b09d2..fabdca9aadaef 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -11173,10 +11173,14 @@ skip_sriov:
 			IXGBE_LINK_SPEED_10GB_FULL | IXGBE_LINK_SPEED_1GB_FULL,
 			true);
 
-	ixgbe_mii_bus_init(hw);
+	err = ixgbe_mii_bus_init(hw);
+	if (err)
+		goto err_netdev;
 
 	return 0;
 
+err_netdev:
+	unregister_netdev(netdev);
 err_register:
 	ixgbe_release_hw_control(adapter);
 	ixgbe_clear_interrupt_scheme(adapter);