From: Takashi Sakamoto Date: Fri, 24 May 2019 09:03:39 +0000 (+0900) Subject: ALSA: firewire-lib: fix data block counter for incoming packet without CIP header X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=3c194923154132836d143d9ba37f5ee94d790c75;p=openwrt%2Fstaging%2Fblogic.git ALSA: firewire-lib: fix data block counter for incoming packet without CIP header The value of data block counter is not calculated for incoming packet without CIP header. This commit fixes the bug. Fixes: 947b437e1263 ("ALSA: firewire-lib: unify packet handler for IR context") 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 791efa5585c2..8a7da86650ea 100644 --- a/sound/firewire/amdtp-stream.c +++ b/sound/firewire/amdtp-stream.c @@ -674,6 +674,8 @@ static int handle_in_packet(struct amdtp_stream *s, unsigned int cycle, cip_header = NULL; data_blocks = payload_length / 4 / s->data_block_quadlets; syt = 0; + s->data_block_counter = + (s->data_block_counter + data_blocks) & 0xff; } trace_amdtp_packet(s, cycle, cip_header, payload_length, data_blocks,