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

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

drivers/net/ethernet/mediatek/mtk_eth_soc.c

+3 −0
Original line number Diff line number Diff line
@@ -495,6 +495,9 @@ static int mtk_init_fq_dma(struct mtk_eth *eth) 


	eth->scratch_head = kcalloc(cnt, MTK_QDMA_PAGE_SIZE,

				    GFP_KERNEL);

	if (unlikely(!eth->scratch_head))

		return -ENOMEM;



	dma_addr = dma_map_single(eth->dev,

				  eth->scratch_head, cnt * MTK_QDMA_PAGE_SIZE,

				  DMA_FROM_DEVICE);