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>
This commit is contained in:
Insu Yun 2016-02-15 21:23:47 -05:00 committed by David S. Miller
parent 4fbe366ce3
commit 562a9f91a0

View File

@ -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;