From: Malcolm Priestley Date: Fri, 28 Feb 2014 23:58:34 +0000 (+0000) Subject: staging: vt6656: Clean up device_alloc_bufs X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=35491de71855585d1a44efbe787f3b82cfcc6d9d;p=linux-beck.git staging: vt6656: Clean up device_alloc_bufs Clean up white space, comments and camel case. pDevice -> priv pTxContext -> tx_context pRCB -> rcb Signed-off-by: Malcolm Priestley Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c index bb1b4e9a0be2..e991618c227b 100644 --- a/drivers/staging/vt6656/main_usb.c +++ b/drivers/staging/vt6656/main_usb.c @@ -804,88 +804,102 @@ static void device_free_int_bufs(struct vnt_private *pDevice) return; } -static bool device_alloc_bufs(struct vnt_private *pDevice) +static bool device_alloc_bufs(struct vnt_private *priv) { - struct vnt_usb_send_context *pTxContext; - struct vnt_rcb *pRCB; + struct vnt_usb_send_context *tx_context; + struct vnt_rcb *rcb; int ii; - for (ii = 0; ii < pDevice->cbTD; ii++) { + for (ii = 0; ii < priv->cbTD; ii++) { + tx_context = kmalloc(sizeof(struct vnt_usb_send_context), + GFP_KERNEL); + if (tx_context == NULL) { + DBG_PRT(MSG_LEVEL_ERR, KERN_ERR + "%s : allocate tx usb context failed\n", + priv->dev->name); + goto free_tx; + } - pTxContext = kmalloc(sizeof(struct vnt_usb_send_context), GFP_KERNEL); - if (pTxContext == NULL) { - DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s : allocate tx usb context failed\n", pDevice->dev->name); - goto free_tx; - } - pDevice->apTD[ii] = pTxContext; - pTxContext->pDevice = (void *) pDevice; - /* allocate URBs */ - pTxContext->pUrb = usb_alloc_urb(0, GFP_ATOMIC); - if (pTxContext->pUrb == NULL) { - DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "alloc tx urb failed\n"); - goto free_tx; - } - pTxContext->bBoolInUse = false; - } + priv->apTD[ii] = tx_context; + tx_context->pDevice = priv; + + /* allocate URBs */ + tx_context->pUrb = usb_alloc_urb(0, GFP_ATOMIC); + if (tx_context->pUrb == NULL) { + DBG_PRT(MSG_LEVEL_ERR, + KERN_ERR "alloc tx urb failed\n"); + goto free_tx; + } - /* allocate RCB mem */ - pDevice->pRCBMem = kzalloc((sizeof(struct vnt_rcb) * pDevice->cbRD), + tx_context->bBoolInUse = false; + } + + /* allocate RCB mem */ + priv->pRCBMem = kzalloc((sizeof(struct vnt_rcb) * priv->cbRD), GFP_KERNEL); - if (pDevice->pRCBMem == NULL) { - DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s : alloc rx usb context failed\n", pDevice->dev->name); - goto free_tx; - } + if (priv->pRCBMem == NULL) { + DBG_PRT(MSG_LEVEL_ERR, KERN_ERR + "%s : alloc rx usb context failed\n", + priv->dev->name); + goto free_tx; + } - pDevice->FirstRecvFreeList = NULL; - pDevice->LastRecvFreeList = NULL; - pDevice->FirstRecvMngList = NULL; - pDevice->LastRecvMngList = NULL; - pDevice->NumRecvFreeList = 0; + priv->FirstRecvFreeList = NULL; + priv->LastRecvFreeList = NULL; + priv->FirstRecvMngList = NULL; + priv->LastRecvMngList = NULL; + priv->NumRecvFreeList = 0; - pRCB = (struct vnt_rcb *)pDevice->pRCBMem; + rcb = (struct vnt_rcb *)priv->pRCBMem; - for (ii = 0; ii < pDevice->cbRD; ii++) { + for (ii = 0; ii < priv->cbRD; ii++) { + priv->apRCB[ii] = rcb; + rcb->pDevice = priv; - pDevice->apRCB[ii] = pRCB; - pRCB->pDevice = (void *) pDevice; - /* allocate URBs */ - pRCB->pUrb = usb_alloc_urb(0, GFP_ATOMIC); + /* allocate URBs */ + rcb->pUrb = usb_alloc_urb(0, GFP_ATOMIC); + if (rcb->pUrb == NULL) { + DBG_PRT(MSG_LEVEL_ERR, KERN_ERR + " Failed to alloc rx urb\n"); + goto free_rx_tx; + } - if (pRCB->pUrb == NULL) { - DBG_PRT(MSG_LEVEL_ERR,KERN_ERR" Failed to alloc rx urb\n"); - goto free_rx_tx; - } - pRCB->skb = netdev_alloc_skb(pDevice->dev, pDevice->rx_buf_sz); - if (pRCB->skb == NULL) { - DBG_PRT(MSG_LEVEL_ERR,KERN_ERR" Failed to alloc rx skb\n"); - goto free_rx_tx; - } - pRCB->bBoolInUse = false; - EnqueueRCB(pDevice->FirstRecvFreeList, pDevice->LastRecvFreeList, pRCB); - pDevice->NumRecvFreeList++; - pRCB++; - } + rcb->skb = netdev_alloc_skb(priv->dev, priv->rx_buf_sz); + if (rcb->skb == NULL) { + DBG_PRT(MSG_LEVEL_ERR, KERN_ERR + " Failed to alloc rx skb\n"); + goto free_rx_tx; + } + + rcb->bBoolInUse = false; - pDevice->pInterruptURB = usb_alloc_urb(0, GFP_ATOMIC); - if (pDevice->pInterruptURB == NULL) { - DBG_PRT(MSG_LEVEL_ERR,KERN_ERR"Failed to alloc int urb\n"); - goto free_rx_tx; + EnqueueRCB(priv->FirstRecvFreeList, + priv->LastRecvFreeList, rcb); + + priv->NumRecvFreeList++; + rcb++; } - pDevice->int_buf.data_buf = kmalloc(MAX_INTERRUPT_SIZE, GFP_KERNEL); - if (pDevice->int_buf.data_buf == NULL) { - DBG_PRT(MSG_LEVEL_ERR,KERN_ERR"Failed to alloc int buf\n"); - usb_free_urb(pDevice->pInterruptURB); - goto free_rx_tx; + priv->pInterruptURB = usb_alloc_urb(0, GFP_ATOMIC); + if (priv->pInterruptURB == NULL) { + DBG_PRT(MSG_LEVEL_ERR, KERN_ERR"Failed to alloc int urb\n"); + goto free_rx_tx; } - return true; + priv->int_buf.data_buf = kmalloc(MAX_INTERRUPT_SIZE, GFP_KERNEL); + if (priv->int_buf.data_buf == NULL) { + DBG_PRT(MSG_LEVEL_ERR, KERN_ERR"Failed to alloc int buf\n"); + usb_free_urb(priv->pInterruptURB); + goto free_rx_tx; + } + + return true; free_rx_tx: - device_free_rx_bufs(pDevice); + device_free_rx_bufs(priv); free_tx: - device_free_tx_bufs(pDevice); + device_free_tx_bufs(priv); return false; }