amd-xgbe: Free channel/ring structures later

The channel structure is freed before freeing the per channel
interrupts resulting in a kernel oops. Move the call to free
the channel structure to after the freeing of the per channel
interrupts.
Signed-off-by: NTom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/amd/xgbe/xgbe-drv.c

@@ -1369,9 +1369,6 @@ static int xgbe_close(struct net_device *netdev)
 	/* Free the ring descriptors and buffers */
 	desc_if->free_ring_resources(pdata);
 
-	/* Free the channel and ring structures */
-	xgbe_free_channels(pdata);
-
 	/* Release the interrupts */
 	devm_free_irq(pdata->dev, pdata->dev_irq, pdata);
 	if (pdata->per_channel_irq) {
@@ -1380,6 +1377,9 @@ static int xgbe_close(struct net_device *netdev)
 			devm_free_irq(pdata->dev, channel->dma_irq, channel);
 	}
 
+	/* Free the channel and ring structures */
+	xgbe_free_channels(pdata);
+
 	/* Disable the clocks */
 	clk_disable_unprepare(pdata->ptpclk);
 	clk_disable_unprepare(pdata->sysclk);