net: korina: fix kfree of rx/tx descriptor array

[ Upstream commit 3af5f0f5c7 ]

kmalloc returns KSEG0 addresses so convert back from KSEG1
in kfree. Also make sure array is freed when the driver is
unloaded from the kernel.

Fixes: ef11291bcd ("Add support the Korina (IDT RC32434) Ethernet MAC")
Signed-off-by: Valentin Vidic <vvidic@valentin-vidic.from.hr>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Valentin Vidic 2020-10-12 00:03:29 +02:00 committed by Greg Kroah-Hartman
parent 89121da248
commit 11fe3495e9

View file

@ -1188,7 +1188,7 @@ static int korina_probe(struct platform_device *pdev)
return rc;
probe_err_register:
kfree(lp->td_ring);
kfree(KSEG0ADDR(lp->td_ring));
probe_err_td_ring:
iounmap(lp->tx_dma_regs);
probe_err_dma_tx:
@ -1208,6 +1208,7 @@ static int korina_remove(struct platform_device *pdev)
iounmap(lp->eth_regs);
iounmap(lp->rx_dma_regs);
iounmap(lp->tx_dma_regs);
kfree(KSEG0ADDR(lp->td_ring));
unregister_netdev(bif->dev);
free_netdev(bif->dev);