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

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Signed-off-by: Chas Williams <chas@cmf.nrl.navy.mil>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Chas Williams 2006-09-13 20:33:40 -07:00 committed by David S. Miller
parent 5067f08aba
commit d730e1033f
1 changed files with 9 additions and 0 deletions
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9
drivers/atm/he.c
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@ -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);