From febc9fe5387ed37cb329563ae29d21b41c71a9dd Mon Sep 17 00:00:00 2001 From: Mike McCormack Date: Tue, 31 May 2011 08:49:51 +0900 Subject: [PATCH] rtlwifi: Assign rx buffer ownership to hardware last Ownership of an rx buffer should only be given to the hardware after all other changes are written, otherwise there's a potential race. Signed-off-by: Mike McCormack Signed-off-by: Larry Finger Signed-off-by: John W. Linville --- drivers/net/wireless/rtlwifi/pci.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c index 6c1b9dffc075..e29feef002bf 100644 --- a/drivers/net/wireless/rtlwifi/pci.c +++ b/drivers/net/wireless/rtlwifi/pci.c @@ -784,8 +784,6 @@ done: rtlpriv->cfg->ops->set_desc((u8 *) pdesc, false, HW_DESC_RXBUFF_ADDR, (u8 *)&bufferaddress); - rtlpriv->cfg->ops->set_desc((u8 *)pdesc, false, HW_DESC_RXOWN, - (u8 *)&tmp_one); rtlpriv->cfg->ops->set_desc((u8 *)pdesc, false, HW_DESC_RXPKT_LEN, (u8 *)&rtlpci->rxbuffersize); @@ -795,6 +793,9 @@ done: HW_DESC_RXERO, (u8 *)&tmp_one); + rtlpriv->cfg->ops->set_desc((u8 *)pdesc, false, HW_DESC_RXOWN, + (u8 *)&tmp_one); + index = (index + 1) % rtlpci->rxringcount; } -- 2.30.2