Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1419297
| From | John Crispin <john@phrozen.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH V2 01/11] net: mediatek: add missing return code check |
| Date | 2016-06-10 13:40 +0200 |
| Message-ID | <rIsX8-3Yr-31@gated-at.bofh.it> (permalink) |
| References | <rIsNs-3Vg-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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: John Crispin <john@phrozen.org> --- drivers/net/ethernet/mediatek/mtk_eth_soc.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index 45f8dbf..6780886 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -467,6 +467,9 @@ 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); -- 1.7.10.4
Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
[PATCH V2 00/11] net: mediatek: various small fixes John Crispin <john@phrozen.org> - 2016-06-10 13:40 +0200
[PATCH V2 05/11] net: mediatek: add next data pointer coherency protection John Crispin <john@phrozen.org> - 2016-06-10 13:40 +0200
[PATCH V2 06/11] net: mediatek: disable all interrupts during probe John Crispin <john@phrozen.org> - 2016-06-10 13:40 +0200
Re: [PATCH V2 00/11] net: mediatek: various small fixes John Crispin <john@phrozen.org> - 2016-06-10 13:40 +0200
Re: [PATCH V2 00/11] net: mediatek: various small fixes David Miller <davem@davemloft.net> - 2016-06-10 19:50 +0200
Re: [PATCH V2 00/11] net: mediatek: various small fixes John Crispin <john@phrozen.org> - 2016-06-10 20:00 +0200
[PATCH V2 10/11] net: mediatek: only wake the queue if it is stopped John Crispin <john@phrozen.org> - 2016-06-10 13:40 +0200
[PATCH V2 01/11] net: mediatek: add missing return code check John Crispin <john@phrozen.org> - 2016-06-10 13:40 +0200
[PATCH V2 04/11] net: mediatek: dropped rx packets are not being counted properly John Crispin <john@phrozen.org> - 2016-06-10 13:40 +0200
Re: [PATCH V2 00/11] net: mediatek: various small fixes David Miller <davem@davemloft.net> - 2016-06-11 08:40 +0200
csiph-web