diff options
| -rw-r--r-- | drivers/net/ethernet/realtek/8139cp.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/net/ethernet/realtek/8139cp.c b/drivers/net/ethernet/realtek/8139cp.c index b01f83a044c4..609125a249d9 100644 --- a/drivers/net/ethernet/realtek/8139cp.c +++ b/drivers/net/ethernet/realtek/8139cp.c @@ -1060,17 +1060,22 @@ static int cp_init_rings (struct cp_private *cp) static int cp_alloc_rings (struct cp_private *cp) { + struct device *d = &cp->pdev->dev; void *mem; + int rc; - mem = dma_alloc_coherent(&cp->pdev->dev, CP_RING_BYTES, - &cp->ring_dma, GFP_KERNEL); + mem = dma_alloc_coherent(d, CP_RING_BYTES, &cp->ring_dma, GFP_KERNEL); if (!mem) return -ENOMEM; cp->rx_ring = mem; cp->tx_ring = &cp->rx_ring[CP_RX_RING_SIZE]; - return cp_init_rings(cp); + rc = cp_init_rings(cp); + if (rc < 0) + dma_free_coherent(d, CP_RING_BYTES, cp->rx_ring, cp->ring_dma); + + return rc; } static void cp_clean_rings (struct cp_private *cp) |