[ATM]: [he] when transmit fails, unmap the dma regions (d730e103) · Commits · e / devices / android_kernel_sony_msm8998

drivers/atm/he.c

+9 −0

Original line number	Original line	Diff line number	Diff line
	@@ -2282,6 +2282,8 @@ __enqueue_tpd(struct he_dev he_dev, struct he_tpd tpd, unsigned cid)
	TPDRQ_MASK(he_readl(he_dev, TPDRQ_B_H)));		TPDRQ_MASK(he_readl(he_dev, TPDRQ_B_H)));

	if (new_tail == he_dev->tpdrq_head) {		if (new_tail == he_dev->tpdrq_head) {
			int slot;

	hprintk("tpdrq full (cid 0x%x)\n", cid);		hprintk("tpdrq full (cid 0x%x)\n", cid);
	/*		/*
	* FIXME		* FIXME
	@@ -2289,6 +2291,13 @@ __enqueue_tpd(struct he_dev he_dev, struct he_tpd tpd, unsigned cid)
	* after service_tbrq, service the backlog		* after service_tbrq, service the backlog
	* for now, we just drop the pdu		* for now, we just drop the pdu
	*/		*/
			for (slot = 0; slot < TPD_MAXIOV; ++slot) {
			if (tpd->iovec[slot].addr)
			pci_unmap_single(he_dev->pci_dev,
			tpd->iovec[slot].addr,
			tpd->iovec[slot].len & TPD_LEN_MASK,
			PCI_DMA_TODEVICE);
			}
	if (tpd->skb) {		if (tpd->skb) {
	if (tpd->vcc->pop)		if (tpd->vcc->pop)
	tpd->vcc->pop(tpd->vcc, tpd->skb);		tpd->vcc->pop(tpd->vcc, tpd->skb);