[PATCH v2] net: korina: fix kfree of rx/tx descriptor array

[Valentin Vidic]

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: ef11291bcd5f ("Add support the Korina (IDT RC32434) Ethernet MAC")
Signed-off-by: Valentin Vidic <vvi...@valentin-vidic.from.hr>
---
 v2: convert kfree address back to KSEG0

 drivers/net/ethernet/korina.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/korina.c b/drivers/net/ethernet/korina.c
index 03e034918d14..af441d699a57 100644
--- a/drivers/net/ethernet/korina.c
+++ b/drivers/net/ethernet/korina.c
@@ -1113,7 +1113,7 @@ 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:
@@ -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);
-- 
2.20.1