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bcwc_pcie: reset ringbuffer index if current index is above size

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Sven Schnelle
2015-11-07 22:34:57 +01:00
parent c97e4a9172
commit 9c79ac0863
1 changed files with 2 additions and 0 deletions
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2
bcwc_ringbuf.c
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@@ -87,6 +87,8 @@ struct bcwc_ringbuf_entry *bcwc_channel_ringbuf_send(struct bcwc_private *dev_pr
struct bcwc_ringbuf_entry *entry;
entry = get_entry_addr(dev_priv, chan, chan->ringbuf.send_idx++);
if (chan->ringbuf.send_idx > chan->size)
chan->ringbuf.send_idx = 0;
pr_debug("send entry %p offset %08x\n", entry, data_offset);
entry->request_size = request_size;
entry->response_size = response_size;