ALSA: hda - Fix NULL dereference in error path of 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 5c6a056..03f57c9 100644
--- a/sound/pci/hda/patch_ca0132.c
+++ b/sound/pci/hda/patch_ca0132.c
@@ -1960,10 +1960,8 @@
 		return -EINVAL;
 
 	dma_engine = kzalloc(sizeof(*dma_engine), GFP_KERNEL);
-	if (!dma_engine) {
-		status = -ENOMEM;
-		goto exit;
-	}
+	if (!dma_engine)
+		return -ENOMEM;
 	memset((void *)dma_engine, 0, sizeof(*dma_engine));
 
 	dma_engine->dmab = kzalloc(sizeof(*dma_engine->dmab), GFP_KERNEL);