if (!chan)
return;
- if (cpu >= NR_CPUS || !chan->buf[cpu])
+ if (cpu >= NR_CPUS || !chan->buf[cpu] ||
+ subbufs_consumed > chan->n_subbufs)
return;
buf = chan->buf[cpu];
- buf->subbufs_consumed += subbufs_consumed;
- if (buf->subbufs_consumed > buf->subbufs_produced)
+ if (subbufs_consumed > buf->subbufs_produced - buf->subbufs_consumed)
buf->subbufs_consumed = buf->subbufs_produced;
+ else
+ buf->subbufs_consumed += subbufs_consumed;
}
EXPORT_SYMBOL_GPL(relay_subbufs_consumed);