please consider for 2.6.18 -- thanks!

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

Signed-off-by: Chas Williams <[EMAIL PROTECTED]>

---
commit e2c84ae30cb2dca23afb5e811c108e235f941c3d
tree a4acb86e2e10baa5ac651e566a550e0af0c55507
parent 0d60b74cf4354672e4586ca2bedde6695db43165
author chas williams <[EMAIL PROTECTED]> Thu, 07 Sep 2006 17:04:14 -0400
committer chas williams <[EMAIL PROTECTED]> Thu, 07 Sep 2006 17:04:14 -0400

 drivers/atm/he.c |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/drivers/atm/he.c b/drivers/atm/he.c
index d369130..dd96123 100644
--- a/drivers/atm/he.c
+++ b/drivers/atm/he.c
@@ -2282,6 +2282,8 @@ __enqueue_tpd(struct he_dev *he_dev, str
                                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, str
                         * 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);
-
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