@@ -3477,25 +3477,6 @@ static int skl_tplg_get_int_tkn(struct device *dev,
return tkn_count;
}
-static int skl_tplg_get_manifest_uuid(struct device *dev,
- struct skl *skl,
- struct snd_soc_tplg_vendor_uuid_elem *uuid_tkn)
-{
- static int ref_count;
- struct skl_module *mod;
-
- if (uuid_tkn->token == SKL_TKN_UUID) {
- mod = skl->modules[ref_count];
- memcpy(&mod->uuid, &uuid_tkn->uuid, sizeof(uuid_tkn->uuid));
- ref_count++;
- } else {
- dev_err(dev, "Not an UUID token tkn %d\n", uuid_tkn->token);
- return -EINVAL;
- }
-
- return 0;
-}
-
/*
* Fill the manifest structure by parsing the tokens based on the
* type.
@@ -3506,6 +3487,7 @@ static int skl_tplg_get_manifest_tkn(struct device *dev,
{
int tkn_count = 0, ret;
int off = 0, tuple_size = 0;
+ u8 uuid_index = 0;
struct snd_soc_tplg_vendor_array *array;
struct snd_soc_tplg_vendor_value_elem *tkn_elem;
@@ -3528,9 +3510,18 @@ static int skl_tplg_get_manifest_tkn(struct device *dev,
continue;
case SND_SOC_TPLG_TUPLE_TYPE_UUID:
- ret = skl_tplg_get_manifest_uuid(dev, skl, array->uuid);
- if (ret < 0)
- return ret;
+ if (array->uuid->token != SKL_TKN_UUID) {
+ dev_err(dev, "Not an UUID token: %d\n",
+ array->uuid->token);
+ return -EINVAL;
+ }
+ if (uuid_index >= skl->nr_modules) {
+ dev_err(dev, "Too many UUID tokens\n");
+ return -EINVAL;
+ }
+ memcpy(&skl->modules[uuid_index++]->uuid,
+ &array->uuid->uuid,
+ sizeof(array->uuid->uuid));
tuple_size += sizeof(*array->uuid);
continue;
Currently when we remove and reload driver we use previous ref_count value to start iterating over skl->modules which leads to out of table access. To fix this just inline the function and calculate indexes everytime we parse UUID token. Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com> --- sound/soc/intel/skylake/skl-topology.c | 35 ++++++++++---------------- 1 file changed, 13 insertions(+), 22 deletions(-)