ALSA: seq: Drop superfluous error/debug messages after malloc failures

The kernel memory allocators already report the errors when the
requested allocation fails, thus we don't need to warn it again in
each caller side.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/core/seq/seq_fifo.c b/sound/core/seq/seq_fifo.c
index 53a403e..1d5acbe 100644
--- a/sound/core/seq/seq_fifo.c
+++ b/sound/core/seq/seq_fifo.c
@@ -33,10 +33,8 @@
 	struct snd_seq_fifo *f;
 
 	f = kzalloc(sizeof(*f), GFP_KERNEL);
-	if (f == NULL) {
-		pr_debug("ALSA: seq: malloc failed for snd_seq_fifo_new() \n");
+	if (!f)
 		return NULL;
-	}
 
 	f->pool = snd_seq_pool_new(poolsize);
 	if (f->pool == NULL) {