Commit 562c5a70 authored by John Crispin's avatar John Crispin Committed by David S. Miller

net: mediatek: add missing return code check

The code fails to check if the scratch memory was properly allocated. Add
this check and return with an error if the allocation failed.
Signed-off-by: default avatarJohn Crispin <john@phrozen.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 0b392be9
...@@ -495,6 +495,9 @@ static int mtk_init_fq_dma(struct mtk_eth *eth) ...@@ -495,6 +495,9 @@ static int mtk_init_fq_dma(struct mtk_eth *eth)
eth->scratch_head = kcalloc(cnt, MTK_QDMA_PAGE_SIZE, eth->scratch_head = kcalloc(cnt, MTK_QDMA_PAGE_SIZE,
GFP_KERNEL); GFP_KERNEL);
if (unlikely(!eth->scratch_head))
return -ENOMEM;
dma_addr = dma_map_single(eth->dev, dma_addr = dma_map_single(eth->dev,
eth->scratch_head, cnt * MTK_QDMA_PAGE_SIZE, eth->scratch_head, cnt * MTK_QDMA_PAGE_SIZE,
DMA_FROM_DEVICE); DMA_FROM_DEVICE);
......
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