[ALSA] Add error messages

Add error messages in the critial error path to be more verbose.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 4 insertions, 3 deletions

diff --git a/sound/core/hwdep.c b/sound/core/hwdep.c
index da0fb9f08413..444e266e7c48 100644
--- a/sound/core/hwdep.c
+++ b/sound/core/hwdep.c
@@ -364,13 +364,14 @@ int snd_hwdep_new(struct snd_card *card, char *id, int device,
         *rhwdep = NULL;
         snd_assert(card != NULL, return -ENXIO);
         hwdep = kzalloc(sizeof(*hwdep), GFP_KERNEL);
-        if (hwdep == NULL)
+        if (hwdep == NULL) {
+                snd_printk(KERN_ERR "hwdep: cannot allocate\n");
                 return -ENOMEM;
+        }
         hwdep->card = card;
         hwdep->device = device;
-        if (id) {
+        if (id)
                 strlcpy(hwdep->id, id, sizeof(hwdep->id));
-        }
 #ifdef CONFIG_SND_OSSEMUL
         hwdep->oss_type = -1;
 #endif