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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2016-03-04 11:32:40 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2016-03-04 11:32:40 -0800 |
| commit | 52cdce8adb635746f53306ab2599ca64902bb1dc (patch) | |
| tree | 0b61680c30eb150796cf01186f15b4845cdee6dd /drivers/net/ethernet/natsemi/natsemi.c | |
| parent | 3cd47869431d7402d0613cf0f7fbb392f2b97565 (diff) | |
| parent | 7dde4e74744772efdc85d7ed13495c7b6a0d881b (diff) | |
| download | blackbird-op-linux-52cdce8adb635746f53306ab2599ca64902bb1dc.tar.gz blackbird-op-linux-52cdce8adb635746f53306ab2599ca64902bb1dc.zip | |
Merge branch 'rotary-encoder' into next
Bring in updates to roraty encoder driver switching it away from legacy
platform data and over to generic device properties and adding support
for encoders using more than 2 GPIOs.
Diffstat (limited to 'drivers/net/ethernet/natsemi/natsemi.c')
| -rw-r--r-- | drivers/net/ethernet/natsemi/natsemi.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/ethernet/natsemi/natsemi.c b/drivers/net/ethernet/natsemi/natsemi.c index b83f7c0fcf99..122c2ee3dfe2 100644 --- a/drivers/net/ethernet/natsemi/natsemi.c +++ b/drivers/net/ethernet/natsemi/natsemi.c @@ -1937,6 +1937,12 @@ static void refill_rx(struct net_device *dev) break; /* Better luck next round. */ np->rx_dma[entry] = pci_map_single(np->pci_dev, skb->data, buflen, PCI_DMA_FROMDEVICE); + if (pci_dma_mapping_error(np->pci_dev, + np->rx_dma[entry])) { + dev_kfree_skb_any(skb); + np->rx_skbuff[entry] = NULL; + break; /* Better luck next round. */ + } np->rx_ring[entry].addr = cpu_to_le32(np->rx_dma[entry]); } np->rx_ring[entry].cmd_status = cpu_to_le32(np->rx_buf_sz); @@ -2093,6 +2099,12 @@ static netdev_tx_t start_tx(struct sk_buff *skb, struct net_device *dev) np->tx_skbuff[entry] = skb; np->tx_dma[entry] = pci_map_single(np->pci_dev, skb->data,skb->len, PCI_DMA_TODEVICE); + if (pci_dma_mapping_error(np->pci_dev, np->tx_dma[entry])) { + np->tx_skbuff[entry] = NULL; + dev_kfree_skb_irq(skb); + dev->stats.tx_dropped++; + return NETDEV_TX_OK; + } np->tx_ring[entry].addr = cpu_to_le32(np->tx_dma[entry]); |
