From d730e1033f81fefd3176f53e070b2b64cd146db0 Mon Sep 17 00:00:00 2001 From: Chas Williams Date: Wed, 13 Sep 2006 20:33:40 -0700 Subject: [PATCH] [ATM]: [he] when transmit fails, unmap the dma regions Signed-off-by: Chas Williams Signed-off-by: David S. Miller --- drivers/atm/he.c | 9 +++++++++ 1 file changed, 9 insertions(+) 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);