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staging: most: sound: fix return values

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This patch returns the proper values when reporting an error
to the caller.

Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Link: https://lore.kernel.org/r/1592924855-25569-4-git-send-email-christian.gromm@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Christian Gromm 2020-06-23 17:07:33 +02:00 committed by Greg Kroah-Hartman
parent 36b67efe0c
commit b1abd84d55
1 changed files with 7 additions and 5 deletions
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12
drivers/staging/most/sound/sound.c
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@ -278,6 +278,7 @@ static int pcm_open(struct snd_pcm_substream *substream)
struct channel *channel = substream->private_data;
struct snd_pcm_runtime *runtime = substream->runtime;
struct most_channel_config *cfg = channel->cfg;
int ret;
channel->substream = substream;
@ -290,11 +291,12 @@ static int pcm_open(struct snd_pcm_substream *substream)
}
}
if (most_start_channel(channel->iface, channel->id, &comp)) {
ret = most_start_channel(channel->iface, channel->id, &comp);
if (ret) {
pr_err("most_start_channel() failed!\n");
if (cfg->direction == MOST_CH_TX)
kthread_stop(channel->playback_task);
return -EBUSY;
return ret;
}
runtime->hw = channel->pcm_hardware;
@ -444,7 +446,7 @@ static int split_arg_list(char *buf, u16 *ch_num, char **sample_res)
err:
pr_err("Bad PCM format\n");
return -EIO;
return -EINVAL;
}
static const struct sample_resolution_info {
@ -469,7 +471,7 @@ static int audio_set_hw_params(struct snd_pcm_hardware *pcm_hw,
goto found;
}
pr_err("Unsupported PCM format\n");
return -EIO;
return -EINVAL;
found:
if (!ch_num) {
@ -580,7 +582,7 @@ skip_adpt_alloc:
if (get_channel(iface, channel_id)) {
pr_err("channel (%s:%d) is already linked\n",
iface->description, channel_id);
return -EINVAL;
return -EEXIST;
}
if (cfg->direction == MOST_CH_TX) {