[ALSA] Add error messages
Add error messages in the critial error path to be more verbose.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/drivers/opl3/opl3_lib.c b/sound/drivers/opl3/opl3_lib.c
index cbd37e9..650f3b8 100644
--- a/sound/drivers/opl3/opl3_lib.c
+++ b/sound/drivers/opl3/opl3_lib.c
@@ -349,8 +349,10 @@
*ropl3 = NULL;
opl3 = kzalloc(sizeof(*opl3), GFP_KERNEL);
- if (opl3 == NULL)
+ if (opl3 == NULL) {
+ snd_printk(KERN_ERR "opl3: cannot allocate\n");
return -ENOMEM;
+ }
opl3->card = card;
opl3->hardware = hardware;