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path: root/drivers/isdn/hardware/mISDN/avmfritz.c
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Diffstat (limited to 'drivers/isdn/hardware/mISDN/avmfritz.c')
-rw-r--r--drivers/isdn/hardware/mISDN/avmfritz.c25
1 files changed, 16 insertions, 9 deletions
diff --git a/drivers/isdn/hardware/mISDN/avmfritz.c b/drivers/isdn/hardware/mISDN/avmfritz.c
index c6fa505a1d1b..c08fc605e56b 100644
--- a/drivers/isdn/hardware/mISDN/avmfritz.c
+++ b/drivers/isdn/hardware/mISDN/avmfritz.c
@@ -408,13 +408,18 @@ hdlc_empty_fifo(struct bchannel *bch, int count)
struct fritzcard *fc = bch->hw;
pr_debug("%s: %s %d\n", fc->name, __func__, count);
- cnt = bchannel_get_rxbuf(bch, count);
- if (cnt < 0) {
- pr_warning("%s.B%d: No bufferspace for %d bytes\n",
- fc->name, bch->nr, count);
- return;
+ if (test_bit(FLG_RX_OFF, &bch->Flags)) {
+ p = NULL;
+ bch->dropcnt += count;
+ } else {
+ cnt = bchannel_get_rxbuf(bch, count);
+ if (cnt < 0) {
+ pr_warning("%s.B%d: No bufferspace for %d bytes\n",
+ fc->name, bch->nr, count);
+ return;
+ }
+ p = skb_put(bch->rx_skb, count);
}
- p = skb_put(bch->rx_skb, count);
ptr = (u32 *)p;
if (fc->type == AVM_FRITZ_PCIV2)
addr = fc->addr + (bch->nr == 2 ?
@@ -426,11 +431,13 @@ hdlc_empty_fifo(struct bchannel *bch, int count)
cnt = 0;
while (cnt < count) {
val = le32_to_cpu(inl(addr));
- put_unaligned(val, ptr);
- ptr++;
+ if (p) {
+ put_unaligned(val, ptr);
+ ptr++;
+ }
cnt += 4;
}
- if (debug & DEBUG_HW_BFIFO) {
+ if (p && (debug & DEBUG_HW_BFIFO)) {
snprintf(fc->log, LOG_SIZE, "B%1d-recv %s %d ",
bch->nr, fc->name, count);
print_hex_dump_bytes(fc->log, DUMP_PREFIX_OFFSET, p, count);