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-rw-r--r--drivers/net/ethernet/apm/xgene/xgene_enet_main.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
index af7c40ac1455..e1a8f4e19983 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
@@ -581,7 +581,11 @@ static struct xgene_enet_desc_ring *xgene_enet_create_desc_ring(
struct xgene_enet_desc_ring *ring;
struct xgene_enet_pdata *pdata = netdev_priv(ndev);
struct device *dev = ndev_to_dev(ndev);
- u32 size;
+ int size;
+
+ size = xgene_enet_get_ring_size(dev, cfgsize);
+ if (size < 0)
+ return NULL;
ring = devm_kzalloc(dev, sizeof(struct xgene_enet_desc_ring),
GFP_KERNEL);
@@ -593,7 +597,6 @@ static struct xgene_enet_desc_ring *xgene_enet_create_desc_ring(
ring->cfgsize = cfgsize;
ring->id = ring_id;
- size = xgene_enet_get_ring_size(dev, cfgsize);
ring->desc_addr = dma_zalloc_coherent(dev, size, &ring->dma,
GFP_KERNEL);
if (!ring->desc_addr) {