From b2f3e0c9e4ee2e07fd880cc0c4da20c42d633d4b Mon Sep 17 00:00:00 2001 From: Jaska Uimonen Date: Thu, 22 Aug 2019 00:11:38 +0300 Subject: [PATCH] ASoC: SOF: topology: fix get control data return type and arguments sof_get_control_data returns negative values even though the return value is defined unsigned (size_t). So change the return value type to int and add the data size as pointer argument to sof_get_control_data to avoid ambiquity in the meaning of the return type. Fixes: cac974a51ebb ("ASoC: SOF: topology: use set_get_data in process load") Reported by: Dan Carpenter Signed-off-by: Jaska Uimonen Link: https://lore.kernel.org/r/20190821211138.14618-1-jaska.uimonen@linux.intel.com Signed-off-by: Mark Brown --- sound/soc/sof/topology.c | 21 +++++++++++---------- 1 file changed, 11 insertions(+), 10 deletions(-) diff --git a/sound/soc/sof/topology.c b/sound/soc/sof/topology.c index 28a7a6e..fc85efb 100644 --- a/sound/soc/sof/topology.c +++ b/sound/soc/sof/topology.c @@ -1752,17 +1752,19 @@ err: return ret; } -static size_t sof_get_control_data(struct snd_sof_dev *sdev, - struct snd_soc_dapm_widget *widget, - struct sof_widget_data *wdata) +static int sof_get_control_data(struct snd_sof_dev *sdev, + struct snd_soc_dapm_widget *widget, + struct sof_widget_data *wdata, + size_t *size) { const struct snd_kcontrol_new *kc; struct soc_mixer_control *sm; struct soc_bytes_ext *sbe; struct soc_enum *se; - size_t size = 0; int i; + *size = 0; + for (i = 0; i < widget->num_kcontrols; i++) { kc = &widget->kcontrol_news[i]; @@ -1800,7 +1802,7 @@ static size_t sof_get_control_data(struct snd_sof_dev *sdev, if (wdata[i].pdata->magic != SOF_ABI_MAGIC) return -EINVAL; - size += wdata[i].pdata->size; + *size += wdata[i].pdata->size; /* get data type */ switch (wdata[i].control->cmd) { @@ -1819,7 +1821,7 @@ static size_t sof_get_control_data(struct snd_sof_dev *sdev, } } - return size; + return 0; } static int sof_process_load(struct snd_soc_component *scomp, int index, @@ -1855,12 +1857,11 @@ static int sof_process_load(struct snd_soc_component *scomp, int index, return -ENOMEM; /* get possible component controls and get size of all pdata */ - ipc_data_size = sof_get_control_data(sdev, widget, wdata); + ret = sof_get_control_data(sdev, widget, wdata, + &ipc_data_size); - if (ipc_data_size <= 0) { - ret = ipc_data_size; + if (ret < 0) goto out; - } } ipc_size = sizeof(struct sof_ipc_comp_process) + -- 2.7.4