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author | Arnd Bergmann <arnd@arndb.de> | 2012-07-17 20:41:50 (GMT) |
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committer | Arnd Bergmann <arnd@arndb.de> | 2012-07-17 20:41:50 (GMT) |
commit | 36c678f3c91ac92e9524abcf9b39f9f539d60279 (patch) | |
tree | c9c0df006a7e9bcc14492b1d1fa6aa2c5c43d3a3 /drivers/net/wireless/mwifiex/usb.c | |
parent | 4450cb7d586c3d8f6615ee437eab1d1e064b20c0 (diff) | |
parent | 14ac5b884eff23f53139dd4508f428aee906d8c2 (diff) | |
download | linux-36c678f3c91ac92e9524abcf9b39f9f539d60279.tar.xz |
Merge tag 'imx-clk' of git://git.pengutronix.de/git/imx/linux-2.6 into next/clk
From Sascha Hauer <s.hauer@pengutronix.de>:
i.MX clk noncritical fixes and updates
* tag 'imx-clk' of git://git.pengutronix.de/git/imx/linux-2.6:
ARM: imx: clk-imx31: Fix clock id for rnga driver
ARM: imx: add missing item to the list of clock event modes
ARM: i.MX5x CSPI: Fixed clock name for CSPI
ARM: i.MX5x clocks: Fix GPT clocks
ARM: i.MX5x clocks: Fix parent for PWM clocks
ARM: i.MX5x clocks: Add EPIT support
ARM: mx27: Reenable silicon version print
ARM: clk-imx27: Fix rtc clock id
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/net/wireless/mwifiex/usb.c')
-rw-r--r-- | drivers/net/wireless/mwifiex/usb.c | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/drivers/net/wireless/mwifiex/usb.c b/drivers/net/wireless/mwifiex/usb.c index 49ebf20..22a5916 100644 --- a/drivers/net/wireless/mwifiex/usb.c +++ b/drivers/net/wireless/mwifiex/usb.c @@ -49,6 +49,7 @@ static int mwifiex_usb_recv(struct mwifiex_adapter *adapter, struct device *dev = adapter->dev; u32 recv_type; __le32 tmp; + int ret; if (adapter->hs_activated) mwifiex_process_hs_config(adapter); @@ -69,16 +70,19 @@ static int mwifiex_usb_recv(struct mwifiex_adapter *adapter, case MWIFIEX_USB_TYPE_CMD: if (skb->len > MWIFIEX_SIZE_OF_CMD_BUFFER) { dev_err(dev, "CMD: skb->len too large\n"); - return -1; + ret = -1; + goto exit_restore_skb; } else if (!adapter->curr_cmd) { dev_dbg(dev, "CMD: no curr_cmd\n"); if (adapter->ps_state == PS_STATE_SLEEP_CFM) { mwifiex_process_sleep_confirm_resp( adapter, skb->data, skb->len); - return 0; + ret = 0; + goto exit_restore_skb; } - return -1; + ret = -1; + goto exit_restore_skb; } adapter->curr_cmd->resp_skb = skb; @@ -87,20 +91,22 @@ static int mwifiex_usb_recv(struct mwifiex_adapter *adapter, case MWIFIEX_USB_TYPE_EVENT: if (skb->len < sizeof(u32)) { dev_err(dev, "EVENT: skb->len too small\n"); - return -1; + ret = -1; + goto exit_restore_skb; } skb_copy_from_linear_data(skb, &tmp, sizeof(u32)); adapter->event_cause = le32_to_cpu(tmp); - skb_pull(skb, sizeof(u32)); dev_dbg(dev, "event_cause %#x\n", adapter->event_cause); if (skb->len > MAX_EVENT_SIZE) { dev_err(dev, "EVENT: event body too large\n"); - return -1; + ret = -1; + goto exit_restore_skb; } - skb_copy_from_linear_data(skb, adapter->event_body, - skb->len); + memcpy(adapter->event_body, skb->data + + MWIFIEX_EVENT_HEADER_LEN, skb->len); + adapter->event_received = true; adapter->event_skb = skb; break; @@ -124,6 +130,12 @@ static int mwifiex_usb_recv(struct mwifiex_adapter *adapter, } return -EINPROGRESS; + +exit_restore_skb: + /* The buffer will be reused for further cmds/events */ + skb_push(skb, INTF_HEADER_LEN); + + return ret; } static void mwifiex_usb_rx_complete(struct urb *urb) |