diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/ozwpan/ozpd.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/staging/ozwpan/ozpd.c b/drivers/staging/ozwpan/ozpd.c index 86876bd..17fd7b2 100644 --- a/drivers/staging/ozwpan/ozpd.c +++ b/drivers/staging/ozwpan/ozpd.c @@ -844,9 +844,20 @@ int oz_send_isoc_unit(struct oz_pd *pd, u8 ep_num, const u8 *data, int len) struct oz_tx_frame *isoc_unit = NULL; int nb = pd->nb_queued_isoc_frames; if (nb >= pd->isoc_latency) { + struct list_head *e; + struct oz_tx_frame *f; oz_dbg(TX_FRAMES, "Dropping ISOC Unit nb= %d\n", nb); - goto out; + spin_lock(&pd->tx_frame_lock); + list_for_each(e, &pd->tx_queue) { + f = container_of(e, struct oz_tx_frame, + link); + if (f->skb != NULL) { + oz_tx_isoc_free(pd, f); + break; + } + } + spin_unlock(&pd->tx_frame_lock); } isoc_unit = oz_tx_frame_alloc(pd); if (isoc_unit == NULL) |