diff options
| author | Mike McCormack <mikem@ring3k.org> | 2011-05-31 08:49:07 +0900 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-06-03 14:57:33 -0400 |
| commit | 34ddb2077e5ced1a09a1dd2cbb82f807bfc5f88b (patch) | |
| tree | daf4d9264a55f9b9d146fc4f7f8d904f7b33e537 /drivers/net/wireless/rtlwifi/pci.c | |
| parent | f2ea312cf4338ae187212e41b3dce97a666e3912 (diff) | |
rtlwifi: Store loop index in local variable
_rtl_pci_rx_interrupt uses rtlpci->rx_ring[rx_queue_idx].idx a
few times, so store it in a separate variable.
Signed-off-by: Mike McCormack <mikem@ring3k.org>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/rtlwifi/pci.c')
| -rw-r--r-- | drivers/net/wireless/rtlwifi/pci.c | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c index 89100e7c553..b44de0d0cc9 100644 --- a/drivers/net/wireless/rtlwifi/pci.c +++ b/drivers/net/wireless/rtlwifi/pci.c @@ -644,22 +644,23 @@ static void _rtl_pci_rx_interrupt(struct ieee80211_hw *hw) .noise = -98, .rate = 0, }; + int index = rtlpci->rx_ring[rx_queue_idx].idx; /*RX NORMAL PKT */ while (count--) { /*rx descriptor */ struct rtl_rx_desc *pdesc = &rtlpci->rx_ring[rx_queue_idx].desc[ - rtlpci->rx_ring[rx_queue_idx].idx]; + index]; /*rx pkt */ struct sk_buff *skb = rtlpci->rx_ring[rx_queue_idx].rx_buf[ - rtlpci->rx_ring[rx_queue_idx].idx]; + index]; own = (u8) rtlpriv->cfg->ops->get_desc((u8 *) pdesc, false, HW_DESC_OWN); if (own) { /*wait data to be filled by hardware */ - return; + break; } else { struct ieee80211_hdr *hdr; __le16 fc; @@ -770,10 +771,7 @@ static void _rtl_pci_rx_interrupt(struct ieee80211_hw *hw) skb = new_skb; - rtlpci->rx_ring[rx_queue_idx].rx_buf[rtlpci-> - rx_ring - [rx_queue_idx]. - idx] = skb; + rtlpci->rx_ring[rx_queue_idx].rx_buf[index] = skb; *((dma_addr_t *) skb->cb) = pci_map_single(rtlpci->pdev, skb_tail_pointer(skb), rtlpci->rxbuffersize, @@ -792,17 +790,15 @@ done: HW_DESC_RXPKT_LEN, (u8 *)&rtlpci->rxbuffersize); - if (rtlpci->rx_ring[rx_queue_idx].idx == - rtlpci->rxringcount - 1) + if (index == rtlpci->rxringcount - 1) rtlpriv->cfg->ops->set_desc((u8 *)pdesc, false, HW_DESC_RXERO, (u8 *)&tmp_one); - rtlpci->rx_ring[rx_queue_idx].idx = - (rtlpci->rx_ring[rx_queue_idx].idx + 1) % - rtlpci->rxringcount; + index = (index + 1) % rtlpci->rxringcount; } + rtlpci->rx_ring[rx_queue_idx].idx = index; } static irqreturn_t _rtl_pci_interrupt(int irq, void *dev_id) |