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author | Thomas Gleixner <tglx@linutronix.de> | 2012-07-15 10:24:53 +0200 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2012-07-15 10:24:53 +0200 |
commit | e8b9dd7e2471b1274e3be719fcc385e0a710e46f (patch) | |
tree | 030d7ce20e8f8767d9423f78c102aba089eec372 /drivers/net/wireless/mwifiex/usb.c | |
parent | Merge branch 'nohz-for-tip-2' of git://github.com/fweisbec/linux-dynticks int... (diff) | |
parent | ntp: Fix STA_INS/DEL clearing bug (diff) | |
download | linux-e8b9dd7e2471b1274e3be719fcc385e0a710e46f.tar.xz linux-e8b9dd7e2471b1274e3be719fcc385e0a710e46f.zip |
Merge branch 'timers/urgent' into timers/core
Reason: Update to upstream changes to avoid further conflicts.
Fixup a trivial merge conflict in kernel/time/tick-sched.c
Signed-off-by: Thomas Gleixner <tglx@linutronix.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 49ebf20c56eb..22a5916564b8 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) |