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Diffstat (limited to 'sound/firewire/fireface/ff-transaction.c')
| -rw-r--r-- | sound/firewire/fireface/ff-transaction.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/firewire/fireface/ff-transaction.c b/sound/firewire/fireface/ff-transaction.c index 79f733d8c98b..6b89e39f4a43 100644 --- a/sound/firewire/fireface/ff-transaction.c +++ b/sound/firewire/fireface/ff-transaction.c @@ -132,11 +132,15 @@ static void handle_msg(struct fw_card *card, struct fw_request *request, int tco struct snd_ff *ff = callback_data; __le32 *buf = data; u32 tstamp = fw_request_get_timestamp(request); + unsigned long flag; fw_send_response(card, request, RCODE_COMPLETE); offset -= ff->async_handler.offset; + + spin_lock_irqsave(&ff->lock, flag); ff->spec->protocol->handle_msg(ff, (unsigned int)offset, buf, length, tstamp); + spin_unlock_irqrestore(&ff->lock, flag); } static int allocate_own_address(struct snd_ff *ff, int i) |