From: Amitkumar Karwar <akarwar@marvell.com>
To: <linux-wireless@vger.kernel.org>
Cc: Cathy Luo <cluo@marvell.com>,
Nishant Sarmukadam <nishants@marvell.com>,
Amitkumar Karwar <akarwar@marvell.com>
Subject: [PATCH 3/3] mwifiex: code rearrangement in mwifiex_usb_host_to_card()
Date: Tue, 20 Sep 2016 20:49:04 +0530 [thread overview]
Message-ID: <1474384744-14096-3-git-send-email-akarwar@marvell.com> (raw)
In-Reply-To: <1474384744-14096-1-git-send-email-akarwar@marvell.com>
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>
---
drivers/net/wireless/marvell/mwifiex/usb.c | 23 ++++++-----------------
1 file changed, 6 insertions(+), 17 deletions(-)
diff --git a/drivers/net/wireless/marvell/mwifiex/usb.c b/drivers/net/wireless/marvell/mwifiex/usb.c
index 8fd51e4..73eb084 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;
}
--
1.9.1
next prev parent reply other threads:[~2016-09-20 15:19 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-20 15:19 [PATCH 1/3] mwifiex: fix kernel crash for USB chipsets Amitkumar Karwar
2016-09-20 15:19 ` [PATCH 2/3] mwifiex: fix race condition causing tx timeout Amitkumar Karwar
2016-09-20 15:19 ` Amitkumar Karwar [this message]
2016-09-26 17:40 ` [1/3] mwifiex: fix kernel crash for USB chipsets Kalle Valo
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