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Diffstat (limited to 'drivers/isdn/hardware/mISDN/w6692.c')
-rw-r--r--drivers/isdn/hardware/mISDN/w6692.c20
1 files changed, 7 insertions, 13 deletions
diff --git a/drivers/isdn/hardware/mISDN/w6692.c b/drivers/isdn/hardware/mISDN/w6692.c
index f1c0bf1ac689..8324b20c7f16 100644
--- a/drivers/isdn/hardware/mISDN/w6692.c
+++ b/drivers/isdn/hardware/mISDN/w6692.c
@@ -465,6 +465,7 @@ W6692_empty_Bfifo(struct w6692_ch *wch, int count)
{
struct w6692_hw *card = wch->bch.hw;
u8 *ptr;
+ int maxlen;
pr_debug("%s: empty_Bfifo %d\n", card->name, count);
if (unlikely(wch->bch.state == ISDN_P_NONE)) {
@@ -474,20 +475,13 @@ W6692_empty_Bfifo(struct w6692_ch *wch, int count)
skb_trim(wch->bch.rx_skb, 0);
return;
}
- if (!wch->bch.rx_skb) {
- wch->bch.rx_skb = mI_alloc_skb(wch->bch.maxlen, GFP_ATOMIC);
- if (unlikely(!wch->bch.rx_skb)) {
- pr_info("%s: B receive out of memory\n", card->name);
- WriteW6692B(wch, W_B_CMDR, W_B_CMDR_RACK |
- W_B_CMDR_RACT);
- return;
- }
- }
- if (wch->bch.rx_skb->len + count > wch->bch.maxlen) {
- pr_debug("%s: empty_Bfifo incoming packet too large\n",
- card->name);
+ maxlen = bchannel_get_rxbuf(&wch->bch, count);
+ if (maxlen < 0) {
WriteW6692B(wch, W_B_CMDR, W_B_CMDR_RACK | W_B_CMDR_RACT);
- skb_trim(wch->bch.rx_skb, 0);
+ if (wch->bch.rx_skb)
+ skb_trim(wch->bch.rx_skb, 0);
+ pr_warning("%s.B%d: No bufferspace for %d bytes\n",
+ card->name, wch->bch.nr, count);
return;
}
ptr = skb_put(wch->bch.rx_skb, count);