diff options
| -rw-r--r-- | drivers/staging/vt6656/dpc.c | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/drivers/staging/vt6656/dpc.c b/drivers/staging/vt6656/dpc.c index 4ccaa7e29a1c..156399d93540 100644 --- a/drivers/staging/vt6656/dpc.c +++ b/drivers/staging/vt6656/dpc.c @@ -1363,34 +1363,43 @@ void RXvMngWorkItem(struct work_struct *work) struct vnt_rcb *pRCB = NULL; struct vnt_rx_mgmt *pRxPacket; int bReAllocSkb = false; + unsigned long flags; if (pDevice->Flags & fMP_DISCONNECTED) return; DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---->Rx Mng Thread\n"); - spin_lock_irq(&pDevice->lock); while (pDevice->NumRecvMngList!=0) { + spin_lock_irqsave(&pDevice->lock, flags); + pRCB = pDevice->FirstRecvMngList; pDevice->NumRecvMngList--; DequeueRCB(pDevice->FirstRecvMngList, pDevice->LastRecvMngList); + + spin_unlock_irqrestore(&pDevice->lock, flags); + if(!pRCB){ break; } pRxPacket = &(pRCB->sMngPacket); vMgrRxManagePacket(pDevice, &pDevice->vnt_mgmt, pRxPacket); pRCB->Ref--; - if(pRCB->Ref == 0) { - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"RxvFreeMng %d %d\n",pDevice->NumRecvFreeList, pDevice->NumRecvMngList); - RXvFreeRCB(pRCB, bReAllocSkb); - } else { + if (pRCB->Ref == 0) { + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"RxvFreeMng %d %d\n", + pDevice->NumRecvFreeList, pDevice->NumRecvMngList); + + spin_lock_irqsave(&pDevice->lock, flags); + + RXvFreeRCB(pRCB, bReAllocSkb); + + spin_unlock_irqrestore(&pDevice->lock, flags); + } else { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Rx Mng Only we have the right to free RCB\n"); } } pDevice->bIsRxMngWorkItemQueued = false; - spin_unlock_irq(&pDevice->lock); - } |