ALSA: pcm: Add debug print on memory allocation failure

[linux-2.6-block.git] / sound / core / pcm_memory.c

diff --git a/sound/core/pcm_memory.c b/sound/core/pcm_memory.c
index 289dd1fd8fe74066ca523cc908c8d17740d29a51..2878c4c23583c701a087b3b27fe6cc5d4b0b7688 100644 (file)
--- a/sound/core/pcm_memory.c
+++ b/sound/core/pcm_memory.c
@@ -176,6 +176,10 @@ static void snd_pcm_lib_preallocate_proc_write(struct snd_info_entry *entry,
                                           substream->dma_buffer.dev.dev,
                                           size, &new_dmab) < 0) {
                                buffer->error = -ENOMEM;
+                               pr_debug("ALSA pcmC%dD%d%c,%d:%s: cannot preallocate for size %zu\n",
+                                        substream->pcm->card->number, substream->pcm->device,
+                                        substream->stream ? 'c' : 'p', substream->number,
+                                        substream->pcm->name, size);
                                return;
                        }
                        substream->buffer_bytes_max = size;
@@ -400,6 +404,10 @@ int snd_pcm_lib_malloc_pages(struct snd_pcm_substream *substream, size_t size)
                                   substream->dma_buffer.dev.dev,
                                   size, dmab) < 0) {
                        kfree(dmab);
+                       pr_debug("ALSA pcmC%dD%d%c,%d:%s: cannot preallocate for size %zu\n",
+                                substream->pcm->card->number, substream->pcm->device,
+                                substream->stream ? 'c' : 'p', substream->number,
+                                substream->pcm->name, size);
                        return -ENOMEM;
                }
        }