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***
Subject: [PATCH] net: e1000: fix warning in iounmap on probe failure
Author: nsvatoslav515@gmail.com
Signed-off-by: Svyatoslav Nikolenko <nsvatoslav515@gmail.com>
---
#syz test: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 704340f1cd0d
drivers/net/ethernet/intel/e1000/e1000_main.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c
index d7f5c6f16142..156903089fa6 100644
--- a/drivers/net/ethernet/intel/e1000/e1000_main.c
+++ b/drivers/net/ethernet/intel/e1000/e1000_main.c
@@ -1227,8 +1227,10 @@ static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
kfree(adapter->rx_ring);
err_dma:
err_sw_init:
- iounmap(hw->ce4100_gbe_mdio_base_virt);
- iounmap(hw->hw_addr);
+ if (hw->ce4100_gbe_mdio_base_virt)
+ iounmap(hw->ce4100_gbe_mdio_base_virt);
+ if (hw->hw_addr)
+ iounmap(hw->hw_addr);
err_ioremap:
disable_dev = !test_and_set_bit(__E1000_DISABLED, &adapter->flags);
free_netdev(netdev);
--
2.47.3