diff --git a/sound/pci/hda/patch_ca0132.c b/sound/pci/hda/patch_ca0132.c
index 82f14c3f642b..24c2638cde37 100644
--- a/sound/pci/hda/patch_ca0132.c
+++ b/sound/pci/hda/patch_ca0132.c
@@ -2331,7 +2331,7 @@ static int dspio_set_uint_param_no_source(struct hda_codec *codec, int mod_id,
 static int dspio_alloc_dma_chan(struct hda_codec *codec, unsigned int *dma_chan)
 {
 	int status = 0;
-	unsigned int size = sizeof(dma_chan);
+	unsigned int size = sizeof(*dma_chan);
 
 	codec_dbg(codec, "     dspio_alloc_dma_chan() -- begin\n");
 	status = dspio_scp(codec, MASTERCONTROL, 0x20,