diff options
| author | John W. Linville <linville@tuxdriver.com> | 2014-03-04 22:05:12 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2014-03-04 22:05:12 +0400 |
| commit | f3b6a488a670f1be2666ab97e31dcfc0b1648884 (patch) | |
| tree | d8d2431f21d4371c907dec075926e86840e86d1e /drivers/net/wireless/mwifiex/pcie.c | |
| parent | c14c5d99a453af6b86f15aca8fe9005b2b8f3b26 (diff) | |
| parent | adb07df1e039e9fe43e66aeea8b4771f83659dbb (diff) | |
| download | linux-f3b6a488a670f1be2666ab97e31dcfc0b1648884.tar.xz | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
Conflicts:
drivers/net/wireless/ath/ath9k/recv.c
drivers/net/wireless/mwifiex/pcie.c
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 d2af2127b41a..9f1683b5f28f 100644 --- a/drivers/net/wireless/mwifiex/pcie.c +++ b/drivers/net/wireless/mwifiex/pcie.c @@ -1213,6 +1213,12 @@ 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_unmap_pci_memory(adapter, skb_data, PCI_DMA_FROMDEVICE); card->rx_buf_list[rd_index] = NULL; @@ -1525,6 +1531,14 @@ 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); @@ -1971,23 +1985,9 @@ 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 */ |