ASoC: topology: Fix TLV size calculation.

TLV size calculation was incorrectly calculated. Fix this according to
include/sound/tlv.h

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c
index d096068..7a19df3 100644 (file)
--- a/sound/soc/soc-topology.c
+++ b/sound/soc/soc-topology.c
@@ -580,27 +580,26 @@ static int soc_tplg_init_kcontrol(struct soc_tplg *tplg,
 }
 
 static int soc_tplg_create_tlv(struct soc_tplg *tplg,
-       struct snd_kcontrol_new *kc, u32 tlv_size)
+       struct snd_kcontrol_new *kc, struct snd_soc_tplg_ctl_tlv *tplg_tlv)
 {
-       struct snd_soc_tplg_ctl_tlv *tplg_tlv;
        struct snd_ctl_tlv *tlv;
+       int size;
 
-       if (tlv_size == 0)
+       if (tplg_tlv->count == 0)
                return 0;
 
-       tplg_tlv = (struct snd_soc_tplg_ctl_tlv *) tplg->pos;
-       tplg->pos += tlv_size;
-
-       tlv = kzalloc(sizeof(*tlv) + tlv_size, GFP_KERNEL);
+       size = ((tplg_tlv->count + (sizeof(unsigned int) - 1)) &
+               ~(sizeof(unsigned int) - 1));
+       tlv = kzalloc(sizeof(*tlv) + size, GFP_KERNEL);
        if (tlv == NULL)
                return -ENOMEM;
 
        dev_dbg(tplg->dev, " created TLV type %d size %d bytes\n",
-               tplg_tlv->numid, tplg_tlv->size);
+               tplg_tlv->numid, size);
 
        tlv->numid = tplg_tlv->numid;
-       tlv->length = tplg_tlv->size;
-       memcpy(tlv->tlv, tplg_tlv + 1, tplg_tlv->size);
+       tlv->length = size;
+       memcpy(&tlv->tlv[0], tplg_tlv->data, size);
        kc->tlv.p = (void *)tlv;
 
        return 0;
@@ -773,7 +772,7 @@ static int soc_tplg_dmixer_create(struct soc_tplg *tplg, unsigned int count,
                }
 
                /* create any TLV data */
-               soc_tplg_create_tlv(tplg, &kc, mc->hdr.tlv_size);
+               soc_tplg_create_tlv(tplg, &kc, &mc->tlv);
 
                /* register control here */
                err = soc_tplg_add_kcontrol(tplg, &kc,