diff options
| author |   Amitkumar Karwar <akarwar@marvell.com> | 2016-09-20 20:49:04 +0530 |
|---|---|---|
| committer |   Kalle Valo <kvalo@codeaurora.org> | 2016-09-26 20:39:43 +0300 |
| commit | ac3b561721e946047eebbca73d8dcaee1cc9b302 (patch) | |
| tree | 6b0b095096231a2434799cca63845a898215b29c /drivers/net/wireless/marvell | |
| parent | mwifiex: fix race condition causing tx timeout (diff) | |
| download | linux-dev-ac3b561721e946047eebbca73d8dcaee1cc9b302.tar.xz linux-dev-ac3b561721e946047eebbca73d8dcaee1cc9b302.zip | |
mwifiex: code rearrangement in mwifiex_usb_host_to_card()
This patch helps get rid of goto statement and improves readability.
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/marvell')
| -rw-r--r-- | drivers/net/wireless/marvell/mwifiex/usb.c | 23 |
1 files changed, 6 insertions, 17 deletions
diff --git a/drivers/net/wireless/marvell/mwifiex/usb.c b/drivers/net/wireless/marvell/mwifiex/usb.c index 8fd51e42ea5e..73eb0846db21 100644 --- a/drivers/net/wireless/marvell/mwifiex/usb.c +++ b/drivers/net/wireless/marvell/mwifiex/usb.c @@ -841,7 +841,7 @@ static int mwifiex_usb_host_to_card(struct mwifiex_adapter *adapter, u8 ep, struct usb_tx_data_port *port = NULL; u8 *data = (u8 *)skb->data; struct urb *tx_urb; - int idx, ret; + int idx, ret = -EINPROGRESS; if (adapter->is_suspended) { mwifiex_dbg(adapter, ERROR, @@ -865,8 +865,9 @@ static int mwifiex_usb_host_to_card(struct mwifiex_adapter *adapter, u8 ep, if (atomic_read(&port->tx_data_urb_pending) >= MWIFIEX_TX_DATA_URB) { port->block_status = true; - ret = -EBUSY; - goto done; + adapter->data_sent = + mwifiex_usb_data_sent(adapter); + return -EBUSY; } if (port->tx_data_ix >= MWIFIEX_TX_DATA_URB) port->tx_data_ix = 0; @@ -902,6 +903,7 @@ static int mwifiex_usb_host_to_card(struct mwifiex_adapter *adapter, u8 ep, MWIFIEX_TX_DATA_URB) { port->block_status = true; adapter->data_sent = mwifiex_usb_data_sent(adapter); + ret = -ENOSR; } if (usb_submit_urb(tx_urb, GFP_ATOMIC)) { @@ -918,22 +920,9 @@ static int mwifiex_usb_host_to_card(struct mwifiex_adapter *adapter, u8 ep, else port->tx_data_ix = MWIFIEX_TX_DATA_URB; } - - return -1; - } else { - if (ep != card->tx_cmd_ep && - atomic_read(&port->tx_data_urb_pending) == - MWIFIEX_TX_DATA_URB) { - return -ENOSR; - } + ret = -1; } - return -EINPROGRESS; - -done: - if (ep != card->tx_cmd_ep) - adapter->data_sent = mwifiex_usb_data_sent(adapter); - return ret; } |