Message ID | 20190910135152.29800-2-o-takashi@sakamocchi.jp (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | ALSA: firewire-tascam: fix to handle error code to read status of sampling clock | expand |
On Tue, 10 Sep 2019 15:51:51 +0200, Takashi Sakamoto wrote: > > The return value of snd_tscm_stream_get_clock() is ignored. This commit > checks the value and handle error. > > Fixes: e453df44f0d6 ("ALSA: firewire-tascam: add PCM functionality") > Cc: <stable@vger.kernel.org> # v4.4+ > Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Applied, thanks. Takashi
diff --git a/sound/firewire/tascam/tascam-pcm.c b/sound/firewire/tascam/tascam-pcm.c index b5ced5415e40..2377732caa52 100644 --- a/sound/firewire/tascam/tascam-pcm.c +++ b/sound/firewire/tascam/tascam-pcm.c @@ -56,6 +56,9 @@ static int pcm_open(struct snd_pcm_substream *substream) goto err_locked; err = snd_tscm_stream_get_clock(tscm, &clock); + if (err < 0) + goto err_locked; + if (clock != SND_TSCM_CLOCK_INTERNAL || amdtp_stream_pcm_running(&tscm->rx_stream) || amdtp_stream_pcm_running(&tscm->tx_stream)) {
The return value of snd_tscm_stream_get_clock() is ignored. This commit checks the value and handle error. Fixes: e453df44f0d6 ("ALSA: firewire-tascam: add PCM functionality") Cc: <stable@vger.kernel.org> # v4.4+ Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> --- sound/firewire/tascam/tascam-pcm.c | 3 +++ 1 file changed, 3 insertions(+)