et131x: check return value of dma_alloc_coherent

For error handling, dma_alloc_coherent's return value
needs to be checked, not argument.

Signed-off-by: Insu Yun <wuninsu@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/agere/et131x.c b/drivers/net/ethernet/agere/et131x.c
index 3f3bcbe..0907ab6 100644 (file)
--- a/drivers/net/ethernet/agere/et131x.c
+++ b/drivers/net/ethernet/agere/et131x.c
@@ -2380,7 +2380,7 @@ static int et131x_tx_dma_memory_alloc(struct et131x_adapter *adapter)
                                                    sizeof(u32),
                                                    &tx_ring->tx_status_pa,
                                                    GFP_KERNEL);
-       if (!tx_ring->tx_status_pa) {
+       if (!tx_ring->tx_status) {
                dev_err(&adapter->pdev->dev,
                        "Cannot alloc memory for Tx status block\n");
                return -ENOMEM;