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authorChas Williams <chas@cmf.nrl.navy.mil>2006-09-13 20:33:40 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2006-09-17 23:21:11 -0700
commitd730e1033f81fefd3176f53e070b2b64cd146db0 (patch)
tree3370c9194e2d35165a5dca3e1ae394b0f6b98d47
parent5067f08abad451661dd154be4193ba231a61e747 (diff)
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[ATM]: [he] when transmit fails, unmap the dma regions
Signed-off-by: Chas Williams <chas@cmf.nrl.navy.mil> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/atm/he.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/atm/he.c b/drivers/atm/he.c
index d369130f4235..dd96123a2b7f 100644
--- a/drivers/atm/he.c
+++ b/drivers/atm/he.c
@@ -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);