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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-09-14 22:17:40 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-09-14 22:17:40 -0700 |
| commit | 882ebfc28c389be86535bda4a7d9e407020356bf (patch) | |
| tree | e8f3ddeda13196f40040f3ba4701ece5d38c63cc /drivers/net/ethernet/stmicro/stmmac/chain_mode.c | |
| parent | 1c84cd48a117486166f3597c081b170b76e5bd81 (diff) | |
| parent | 9e82bf014195d6f0054982c463575cdce24292be (diff) | |
| download | kernel_replicant_linux-882ebfc28c389be86535bda4a7d9e407020356bf.tar.gz kernel_replicant_linux-882ebfc28c389be86535bda4a7d9e407020356bf.tar.bz2 kernel_replicant_linux-882ebfc28c389be86535bda4a7d9e407020356bf.zip | |
Merge 3.17-rc5 into tty-next
We want those fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/chain_mode.c')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/chain_mode.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/chain_mode.c b/drivers/net/ethernet/stmicro/stmmac/chain_mode.c index c553f6b5a913..cf28daba4346 100644 --- a/drivers/net/ethernet/stmicro/stmmac/chain_mode.c +++ b/drivers/net/ethernet/stmicro/stmmac/chain_mode.c @@ -28,7 +28,7 @@ #include "stmmac.h" -static unsigned int stmmac_jumbo_frm(void *p, struct sk_buff *skb, int csum) +static int stmmac_jumbo_frm(void *p, struct sk_buff *skb, int csum) { struct stmmac_priv *priv = (struct stmmac_priv *)p; unsigned int txsize = priv->dma_tx_size; @@ -47,7 +47,9 @@ static unsigned int stmmac_jumbo_frm(void *p, struct sk_buff *skb, int csum) desc->des2 = dma_map_single(priv->device, skb->data, bmax, DMA_TO_DEVICE); - priv->tx_skbuff_dma[entry] = desc->des2; + if (dma_mapping_error(priv->device, desc->des2)) + return -1; + priv->tx_skbuff_dma[entry].buf = desc->des2; priv->hw->desc->prepare_tx_desc(desc, 1, bmax, csum, STMMAC_CHAIN_MODE); while (len != 0) { @@ -59,7 +61,9 @@ static unsigned int stmmac_jumbo_frm(void *p, struct sk_buff *skb, int csum) desc->des2 = dma_map_single(priv->device, (skb->data + bmax * i), bmax, DMA_TO_DEVICE); - priv->tx_skbuff_dma[entry] = desc->des2; + if (dma_mapping_error(priv->device, desc->des2)) + return -1; + priv->tx_skbuff_dma[entry].buf = desc->des2; priv->hw->desc->prepare_tx_desc(desc, 0, bmax, csum, STMMAC_CHAIN_MODE); priv->hw->desc->set_tx_owner(desc); @@ -69,7 +73,9 @@ static unsigned int stmmac_jumbo_frm(void *p, struct sk_buff *skb, int csum) desc->des2 = dma_map_single(priv->device, (skb->data + bmax * i), len, DMA_TO_DEVICE); - priv->tx_skbuff_dma[entry] = desc->des2; + if (dma_mapping_error(priv->device, desc->des2)) + return -1; + priv->tx_skbuff_dma[entry].buf = desc->des2; priv->hw->desc->prepare_tx_desc(desc, 0, len, csum, STMMAC_CHAIN_MODE); priv->hw->desc->set_tx_owner(desc); |