[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/core/device.c b/sound/core/device.c
index afa8cc7..b1cf6ec 100644
--- a/sound/core/device.c
+++ b/sound/core/device.c
@@ -50,8 +50,10 @@
snd_assert(device_data != NULL, return -ENXIO);
snd_assert(ops != NULL, return -ENXIO);
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
- if (dev == NULL)
+ if (dev == NULL) {
+ snd_printk(KERN_ERR "Cannot allocate device\n");
return -ENOMEM;
+ }
dev->card = card;
dev->type = type;
dev->state = SNDRV_DEV_BUILD;
@@ -173,6 +175,7 @@
dev->state = SNDRV_DEV_REGISTERED;
return 0;
}
+ snd_printd("snd_device_register busy\n");
return -EBUSY;
}
snd_BUG();