[ALSA] Add error messages

[linux-2.6] / sound / core / rawmidi.c

diff --git a/sound/core/rawmidi.c b/sound/core/rawmidi.c
index ede0a6083d2933246dc976f84fa3df829f05fe65..7a86a9a08a15e848dcb1488ac1dafc736729df47 100644 (file)
--- a/sound/core/rawmidi.c
+++ b/sound/core/rawmidi.c
@@ -1382,8 +1382,10 @@ static int snd_rawmidi_alloc_substreams(struct snd_rawmidi *rmidi,
        INIT_LIST_HEAD(&stream->substreams);
        for (idx = 0; idx < count; idx++) {
                substream = kzalloc(sizeof(*substream), GFP_KERNEL);
-               if (substream == NULL)
+               if (substream == NULL) {
+                       snd_printk(KERN_ERR "rawmidi: cannot allocate substream\n");
                        return -ENOMEM;
+               }
                substream->stream = direction;
                substream->number = idx;
                substream->rmidi = rmidi;
@@ -1425,19 +1427,27 @@ int snd_rawmidi_new(struct snd_card *card, char *id, int device,
        *rrawmidi = NULL;
        snd_assert(card != NULL, return -ENXIO);
        rmidi = kzalloc(sizeof(*rmidi), GFP_KERNEL);
-       if (rmidi == NULL)
+       if (rmidi == NULL) {
+               snd_printk(KERN_ERR "rawmidi: cannot allocate\n");
                return -ENOMEM;
+       }
        rmidi->card = card;
        rmidi->device = device;
        init_MUTEX(&rmidi->open_mutex);
        init_waitqueue_head(&rmidi->open_wait);
        if (id != NULL)
                strlcpy(rmidi->id, id, sizeof(rmidi->id));
-       if ((err = snd_rawmidi_alloc_substreams(rmidi, &rmidi->streams[SNDRV_RAWMIDI_STREAM_INPUT], SNDRV_RAWMIDI_STREAM_INPUT, input_count)) < 0) {
+       if ((err = snd_rawmidi_alloc_substreams(rmidi,
+                                               &rmidi->streams[SNDRV_RAWMIDI_STREAM_INPUT],
+                                               SNDRV_RAWMIDI_STREAM_INPUT,
+                                               input_count)) < 0) {
                snd_rawmidi_free(rmidi);
                return err;
        }
-       if ((err = snd_rawmidi_alloc_substreams(rmidi, &rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT], SNDRV_RAWMIDI_STREAM_OUTPUT, output_count)) < 0) {
+       if ((err = snd_rawmidi_alloc_substreams(rmidi,
+                                               &rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT],
+                                               SNDRV_RAWMIDI_STREAM_OUTPUT,
+                                               output_count)) < 0) {
                snd_rawmidi_free(rmidi);
                return err;
        }