diff options
| author | Gary S. Robertson <gary.robertson@linaro.org> | 2014-03-31 11:45:11 -0500 |
|---|---|---|
| committer | Gary S. Robertson <gary.robertson@linaro.org> | 2014-03-31 11:45:11 -0500 |
| commit | e365c882ed38dbbe1a6ff4ed72414835390368a6 (patch) | |
| tree | 82eb481631cd22d3767f638cd4d0a3b2598ab61e /drivers/net/wireless/mwifiex/pcie.c | |
| parent | 9ce234e1ee801968b204c3b9caa75ce0a76ed1c2 (diff) | |
| parent | 10f8245e0d3650144b034142c8f91e5d15c392ab (diff) | |
Merge tag 'v3.10.34' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into linux-lnglinux-lng-v3.10.34-finallinux-lng-3.10.34-2014.04
This is the 3.10.34 stable release
Diffstat (limited to 'drivers/net/wireless/mwifiex/pcie.c')
| -rw-r--r-- | drivers/net/wireless/mwifiex/pcie.c | 34 |
1 files changed, 17 insertions, 17 deletions
diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c index 20c9c4c7b0b2..801c709656f9 100644 --- a/drivers/net/wireless/mwifiex/pcie.c +++ b/drivers/net/wireless/mwifiex/pcie.c @@ -1195,6 +1195,12 @@ static int mwifiex_pcie_process_recv_data(struct mwifiex_adapter *adapter) rd_index = card->rxbd_rdptr & reg->rx_mask; skb_data = card->rx_buf_list[rd_index]; + /* If skb allocation was failed earlier for Rx packet, + * rx_buf_list[rd_index] would have been left with a NULL. + */ + if (!skb_data) + return -ENOMEM; + MWIFIEX_SKB_PACB(skb_data, &buf_pa); pci_unmap_single(card->dev, buf_pa, MWIFIEX_RX_DATA_BUF_SIZE, PCI_DMA_FROMDEVICE); @@ -1509,6 +1515,14 @@ static int mwifiex_pcie_process_cmd_complete(struct mwifiex_adapter *adapter) if (adapter->ps_state == PS_STATE_SLEEP_CFM) { mwifiex_process_sleep_confirm_resp(adapter, skb->data, skb->len); + mwifiex_pcie_enable_host_int(adapter); + if (mwifiex_write_reg(adapter, + PCIE_CPU_INT_EVENT, + CPU_INTR_SLEEP_CFM_DONE)) { + dev_warn(adapter->dev, + "Write register failed\n"); + return -1; + } while (reg->sleep_cookie && (count++ < 10) && mwifiex_pcie_ok_to_access_hw(adapter)) usleep_range(50, 60); @@ -1979,23 +1993,9 @@ static void mwifiex_interrupt_status(struct mwifiex_adapter *adapter) adapter->int_status |= pcie_ireg; spin_unlock_irqrestore(&adapter->int_lock, flags); - if (pcie_ireg & HOST_INTR_CMD_DONE) { - if ((adapter->ps_state == PS_STATE_SLEEP_CFM) || - (adapter->ps_state == PS_STATE_SLEEP)) { - mwifiex_pcie_enable_host_int(adapter); - if (mwifiex_write_reg(adapter, - PCIE_CPU_INT_EVENT, - CPU_INTR_SLEEP_CFM_DONE) - ) { - dev_warn(adapter->dev, - "Write register failed\n"); - return; - - } - } - } else if (!adapter->pps_uapsd_mode && - adapter->ps_state == PS_STATE_SLEEP && - mwifiex_pcie_ok_to_access_hw(adapter)) { + if (!adapter->pps_uapsd_mode && + adapter->ps_state == PS_STATE_SLEEP && + mwifiex_pcie_ok_to_access_hw(adapter)) { /* Potentially for PCIe we could get other * interrupts like shared. Don't change power * state until cookie is set */ |