ALSA: hda - Remove superfluous zero-clear memset in patch_ca0132.c

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/hda/patch_ca0132.c b/sound/pci/hda/patch_ca0132.c
index 03f57c9..2fd3121 100644
--- a/sound/pci/hda/patch_ca0132.c
+++ b/sound/pci/hda/patch_ca0132.c
@@ -1962,7 +1962,6 @@
 	dma_engine = kzalloc(sizeof(*dma_engine), GFP_KERNEL);
 	if (!dma_engine)
 		return -ENOMEM;
-	memset((void *)dma_engine, 0, sizeof(*dma_engine));
 
 	dma_engine->dmab = kzalloc(sizeof(*dma_engine->dmab), GFP_KERNEL);
 	if (!dma_engine->dmab) {