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: ef11291 ("Add support the Korina (IDT RC32434) Ethernet MAC") Signed-off-by: Valentin Vidic <[email protected]> Acked-by: Willem de Bruijn <[email protected]> Signed-off-by: Jakub Kicinski <[email protected]>
zandrey · Oct 12, 2020 · 3af5f0f · 3af5f0f
1 parent 8098bd6
commit 3af5f0f
Showing 1 changed file with 2 additions and 1 deletion.
diff --git 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);