[ATM]: [he] when transmit fails, unmap the dma regions

[cascardo/linux.git] / drivers / atm / he.c

diff --git a/drivers/atm/he.c b/drivers/atm/he.c
index a5cbd3d..dd96123 100644 (file)
--- a/drivers/atm/he.c
+++ b/drivers/atm/he.c
@@ -1007,7 +1007,7 @@ he_init_irq(struct he_dev *he_dev)
        he_writel(he_dev, 0x0, GRP_54_MAP);
        he_writel(he_dev, 0x0, GRP_76_MAP);
 
-       if (request_irq(he_dev->pci_dev->irq, he_irq_handler, SA_INTERRUPT|SA_SHIRQ, DEV_LABEL, he_dev)) {
+       if (request_irq(he_dev->pci_dev->irq, he_irq_handler, IRQF_DISABLED|IRQF_SHARED, DEV_LABEL, he_dev)) {
                hprintk("irq %d already in use\n", he_dev->pci_dev->irq);
                return -EINVAL;
        }   
@@ -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)));
 
                if (new_tail == he_dev->tpdrq_head) {
+                       int slot;
+
                        hprintk("tpdrq full (cid 0x%x)\n", cid);
                        /*
                         * FIXME
@@ -2289,6 +2291,13 @@ __enqueue_tpd(struct he_dev *he_dev, struct he_tpd *tpd, unsigned cid)
                         * after service_tbrq, service the backlog
                         * 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->vcc->pop)
                                        tpd->vcc->pop(tpd->vcc, tpd->skb);