From: Takashi Sakamoto Date: Sun, 7 Jul 2019 12:07:56 +0000 (+0900) Subject: ALSA: firewire-lib: fix different data block counter between probed event and transfe... X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=213fa98981588887c1a2ed817e6a48e2428e97a1;p=linux.git ALSA: firewire-lib: fix different data block counter between probed event and transferred isochronous packet For IT context, tracepoints event is probed after calculating next data block counter. This brings difference of data block counter between the probed event and actual isochronous packet. This commit fixes it. Signed-off-by: Takashi Sakamoto Signed-off-by: Takashi Iwai --- diff --git a/sound/firewire/amdtp-stream.c b/sound/firewire/amdtp-stream.c index 3d410057eaa48..9259375caac44 100644 --- a/sound/firewire/amdtp-stream.c +++ b/sound/firewire/amdtp-stream.c @@ -510,13 +510,13 @@ static void build_it_pkt_header(struct amdtp_stream *s, unsigned int cycle, cip_header = NULL; } + trace_amdtp_packet(s, cycle, cip_header, payload_length, data_blocks, + index); + if (!(s->flags & CIP_DBC_IS_END_EVENT)) { s->data_block_counter = (s->data_block_counter + data_blocks) & 0xff; } - - trace_amdtp_packet(s, cycle, cip_header, payload_length, data_blocks, - index); } static int check_cip_header(struct amdtp_stream *s, const __be32 *buf,