Return-path: Received: from mail-wi0-f174.google.com ([209.85.212.174]:40106 "EHLO mail-wi0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752193AbaECOT4 (ORCPT ); Sat, 3 May 2014 10:19:56 -0400 Received: by mail-wi0-f174.google.com with SMTP id r20so306264wiv.7 for ; Sat, 03 May 2014 07:19:55 -0700 (PDT) From: Malcolm Priestley To: gregkh@linuxfoundation.org Cc: linux-wireless@vger.kernel.org, Malcolm Priestley Subject: [PATCH 06/13] staging: vt6656: lock changes: bMgrPrepareBeaconToSend add lock. Date: Sat, 3 May 2014 15:17:27 +0100 Message-Id: <1399126654-2663-6-git-send-email-tvboxspy@gmail.com> (sfid-20140503_162001_064149_2AB19B60) In-Reply-To: <1399126654-2663-1-git-send-email-tvboxspy@gmail.com> References: <1399126654-2663-1-git-send-email-tvboxspy@gmail.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: bMgrPrepareBeaconToSend is nolonger atomic csBeacon_xmit must be locked add spin lock. Signed-off-by: Malcolm Priestley --- drivers/staging/vt6656/wmgr.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/staging/vt6656/wmgr.c b/drivers/staging/vt6656/wmgr.c index 0d69719..cce67cd 100644 --- a/drivers/staging/vt6656/wmgr.c +++ b/drivers/staging/vt6656/wmgr.c @@ -4058,6 +4058,7 @@ int bMgrPrepareBeaconToSend(struct vnt_private *pDevice, struct vnt_manager *pMgmt) { struct vnt_tx_mgmt *pTxPacket; + unsigned long flags; // pDevice->bBeaconBufReady = false; if (pDevice->bEncryptionEnable || pDevice->bEnable8021x){ @@ -4084,8 +4085,13 @@ int bMgrPrepareBeaconToSend(struct vnt_private *pDevice, (pMgmt->abyCurrBSSID[0] == 0)) return false; - csBeacon_xmit(pDevice, pTxPacket); - MACvRegBitsOn(pDevice, MAC_REG_TCR, TCR_AUTOBCNTX); + spin_lock_irqsave(&pDevice->lock, flags); + + csBeacon_xmit(pDevice, pTxPacket); + + spin_unlock_irqrestore(&pDevice->lock, flags); + + MACvRegBitsOn(pDevice, MAC_REG_TCR, TCR_AUTOBCNTX); return true; } -- 1.9.1