diff options
Diffstat (limited to 'sound/soc/intel/avs/path.c')
| -rw-r--r-- | sound/soc/intel/avs/path.c | 31 |
1 files changed, 15 insertions, 16 deletions
diff --git a/sound/soc/intel/avs/path.c b/sound/soc/intel/avs/path.c index adbe23a478..aa8b50b931 100644 --- a/sound/soc/intel/avs/path.c +++ b/sound/soc/intel/avs/path.c @@ -237,11 +237,11 @@ static int avs_copier_create(struct avs_dev *adev, struct avs_path_module *mod) /* Every config-BLOB contains gateway attributes. */ if (data_size) cfg_size -= sizeof(cfg->gtw_cfg.config.attrs); + if (cfg_size > AVS_MAILBOX_SIZE) + return -EINVAL; - cfg = kzalloc(cfg_size, GFP_KERNEL); - if (!cfg) - return -ENOMEM; - + cfg = adev->modcfg_buf; + memset(cfg, 0, cfg_size); cfg->base.cpc = t->cfg_base->cpc; cfg->base.ibs = t->cfg_base->ibs; cfg->base.obs = t->cfg_base->obs; @@ -261,7 +261,6 @@ static int avs_copier_create(struct avs_dev *adev, struct avs_path_module *mod) ret = avs_dsp_init_module(adev, mod->module_id, mod->owner->instance_id, t->core_id, t->domain, cfg, cfg_size, &mod->instance_id); - kfree(cfg); return ret; } @@ -294,7 +293,7 @@ static int avs_peakvol_create(struct avs_dev *adev, struct avs_path_module *mod) struct avs_control_data *ctl_data; struct avs_peakvol_cfg *cfg; int volume = S32_MAX; - size_t size; + size_t cfg_size; int ret; ctl_data = avs_get_module_control(mod); @@ -302,11 +301,12 @@ static int avs_peakvol_create(struct avs_dev *adev, struct avs_path_module *mod) volume = ctl_data->volume; /* As 2+ channels controls are unsupported, have a single block for all channels. */ - size = struct_size(cfg, vols, 1); - cfg = kzalloc(size, GFP_KERNEL); - if (!cfg) - return -ENOMEM; + cfg_size = struct_size(cfg, vols, 1); + if (cfg_size > AVS_MAILBOX_SIZE) + return -EINVAL; + cfg = adev->modcfg_buf; + memset(cfg, 0, cfg_size); cfg->base.cpc = t->cfg_base->cpc; cfg->base.ibs = t->cfg_base->ibs; cfg->base.obs = t->cfg_base->obs; @@ -318,9 +318,8 @@ static int avs_peakvol_create(struct avs_dev *adev, struct avs_path_module *mod) cfg->vols[0].curve_duration = 0; ret = avs_dsp_init_module(adev, mod->module_id, mod->owner->instance_id, t->core_id, - t->domain, cfg, size, &mod->instance_id); + t->domain, cfg, cfg_size, &mod->instance_id); - kfree(cfg); return ret; } @@ -480,10 +479,11 @@ static int avs_modext_create(struct avs_dev *adev, struct avs_path_module *mod) num_pins = tcfg->generic.num_input_pins + tcfg->generic.num_output_pins; cfg_size = struct_size(cfg, pin_fmts, num_pins); - cfg = kzalloc(cfg_size, GFP_KERNEL); - if (!cfg) - return -ENOMEM; + if (cfg_size > AVS_MAILBOX_SIZE) + return -EINVAL; + cfg = adev->modcfg_buf; + memset(cfg, 0, cfg_size); cfg->base.cpc = t->cfg_base->cpc; cfg->base.ibs = t->cfg_base->ibs; cfg->base.obs = t->cfg_base->obs; @@ -505,7 +505,6 @@ static int avs_modext_create(struct avs_dev *adev, struct avs_path_module *mod) ret = avs_dsp_init_module(adev, mod->module_id, mod->owner->instance_id, t->core_id, t->domain, cfg, cfg_size, &mod->instance_id); - kfree(cfg); return ret; } |