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| author | Takashi Iwai <tiwai@suse.de> | 2005-11-17 17:44:01 +0100 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2006-01-03 12:28:58 +0100 |
| commit | 73e77ba0235532bd7523ba90883d325f6e095acf (patch) | |
| tree | d22f29805ade9e78bd5f1802590d42f6e121c3c1 /sound/core/pcm.c | |
| parent | 00a4e3d9f8df8a90966b75d517154718b4a2242a (diff) | |
| download | linux-73e77ba0235532bd7523ba90883d325f6e095acf.tar.bz2 | |
[ALSA] Add error messages
Add error messages in the critial error path to be more verbose.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/core/pcm.c')
| -rw-r--r-- | sound/core/pcm.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/sound/core/pcm.c b/sound/core/pcm.c index 59c995bbf15b..9305ac357a3e 100644 --- a/sound/core/pcm.c +++ b/sound/core/pcm.c @@ -600,14 +600,18 @@ int snd_pcm_new_stream(struct snd_pcm *pcm, int stream, int substream_count) pstr->reg = &snd_pcm_reg[stream]; if (substream_count > 0) { err = snd_pcm_stream_proc_init(pstr); - if (err < 0) + if (err < 0) { + snd_printk(KERN_ERR "Error in snd_pcm_stream_proc_init\n"); return err; + } } prev = NULL; for (idx = 0, prev = NULL; idx < substream_count; idx++) { substream = kzalloc(sizeof(*substream), GFP_KERNEL); - if (substream == NULL) + if (substream == NULL) { + snd_printk(KERN_ERR "Cannot allocate PCM substream\n"); return -ENOMEM; + } substream->pcm = pcm; substream->pstr = pstr; substream->number = idx; @@ -620,6 +624,7 @@ int snd_pcm_new_stream(struct snd_pcm *pcm, int stream, int substream_count) prev->next = substream; err = snd_pcm_substream_proc_init(substream); if (err < 0) { + snd_printk(KERN_ERR "Error in snd_pcm_stream_proc_init\n"); kfree(substream); return err; } @@ -666,13 +671,14 @@ int snd_pcm_new(struct snd_card *card, char *id, int device, *rpcm = NULL; snd_assert(card != NULL, return -ENXIO); pcm = kzalloc(sizeof(*pcm), GFP_KERNEL); - if (pcm == NULL) + if (pcm == NULL) { + snd_printk(KERN_ERR "Cannot allocate PCM\n"); return -ENOMEM; + } pcm->card = card; pcm->device = device; - if (id) { + if (id) strlcpy(pcm->id, id, sizeof(pcm->id)); - } if ((err = snd_pcm_new_stream(pcm, SNDRV_PCM_STREAM_PLAYBACK, playback_count)) < 0) { snd_pcm_free(pcm); return err; |