Commit 3af5f0f5 authored Oct 12, 2020 by Valentin Vidic Committed by Jakub Kicinski Oct 12, 2020

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



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: ef11291b ("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>

parent 8098bd69

drivers/net/ethernet/korina.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -1113,7 +1113,7 @@ out:
		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:
		@@ -1133,6 +1133,7 @@ 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);

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