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Date: Fri, 26 Nov 2021 01:08:15 +0800
From: kernel test robot <lkp@...el.com>
To: "Gustavo A. R. Silva" <gustavoars@...nel.org>
Cc: kbuild-all@...ts.01.org,
"Gustavo A. R. Silva" <gustavo@...eddedor.com>,
LKML <linux-kernel@...r.kernel.org>
Subject: [gustavoars:for-next/kspp-misc-fixes 3/3]
sound/soc/sof/topology.c:2230:47: error: invalid use of flexible array
member
tree: https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git for-next/kspp-misc-fixes
head: 004a9cea9666ecd470e442ef776a22d24870bba9
commit: 004a9cea9666ecd470e442ef776a22d24870bba9 [3/3] treewide: Replace zero-length arrays with flexible-array members
config: arc-allyesconfig (https://download.01.org/0day-ci/archive/20211126/202111260100.ucJw3jNQ-lkp@intel.com/config)
compiler: arceb-elf-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git/commit/?id=004a9cea9666ecd470e442ef776a22d24870bba9
git remote add gustavoars https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git
git fetch --no-tags gustavoars for-next/kspp-misc-fixes
git checkout 004a9cea9666ecd470e442ef776a22d24870bba9
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arc SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
sound/soc/sof/topology.c: In function 'sof_process_load':
>> sound/soc/sof/topology.c:2230:47: error: invalid use of flexible array member
2230 | memcpy(&process->data + offset,
| ^
vim +2230 sound/soc/sof/topology.c
311ce4fe7637d96 Liam Girdwood 2019-04-12 2160
cac974a51ebb955 Jaska Uimonen 2019-08-09 2161 static int sof_process_load(struct snd_soc_component *scomp, int index,
cac974a51ebb955 Jaska Uimonen 2019-08-09 2162 struct snd_sof_widget *swidget,
cac974a51ebb955 Jaska Uimonen 2019-08-09 2163 struct snd_soc_tplg_dapm_widget *tw,
cac974a51ebb955 Jaska Uimonen 2019-08-09 2164 int type)
cac974a51ebb955 Jaska Uimonen 2019-08-09 2165 {
cac974a51ebb955 Jaska Uimonen 2019-08-09 2166 struct snd_soc_dapm_widget *widget = swidget->widget;
cac974a51ebb955 Jaska Uimonen 2019-08-09 2167 struct snd_soc_tplg_private *private = &tw->priv;
c81a4ef725362db Guennadi Liakhovetski 2020-08-24 2168 struct sof_ipc_comp_process *process;
cac974a51ebb955 Jaska Uimonen 2019-08-09 2169 struct sof_widget_data *wdata = NULL;
cac974a51ebb955 Jaska Uimonen 2019-08-09 2170 size_t ipc_data_size = 0;
cac974a51ebb955 Jaska Uimonen 2019-08-09 2171 size_t ipc_size;
cac974a51ebb955 Jaska Uimonen 2019-08-09 2172 int offset = 0;
c81a4ef725362db Guennadi Liakhovetski 2020-08-24 2173 int ret;
cac974a51ebb955 Jaska Uimonen 2019-08-09 2174 int i;
cac974a51ebb955 Jaska Uimonen 2019-08-09 2175
cac974a51ebb955 Jaska Uimonen 2019-08-09 2176 /* allocate struct for widget control data sizes and types */
cac974a51ebb955 Jaska Uimonen 2019-08-09 2177 if (widget->num_kcontrols) {
cac974a51ebb955 Jaska Uimonen 2019-08-09 2178 wdata = kcalloc(widget->num_kcontrols,
cac974a51ebb955 Jaska Uimonen 2019-08-09 2179 sizeof(*wdata),
cac974a51ebb955 Jaska Uimonen 2019-08-09 2180 GFP_KERNEL);
cac974a51ebb955 Jaska Uimonen 2019-08-09 2181
cac974a51ebb955 Jaska Uimonen 2019-08-09 2182 if (!wdata)
cac974a51ebb955 Jaska Uimonen 2019-08-09 2183 return -ENOMEM;
cac974a51ebb955 Jaska Uimonen 2019-08-09 2184
cac974a51ebb955 Jaska Uimonen 2019-08-09 2185 /* get possible component controls and get size of all pdata */
ee1e79b72e3cf5e Ranjani Sridharan 2019-12-04 2186 ret = sof_get_control_data(scomp, widget, wdata,
b2f3e0c9e4ee2e0 Jaska Uimonen 2019-08-22 2187 &ipc_data_size);
cac974a51ebb955 Jaska Uimonen 2019-08-09 2188
b2f3e0c9e4ee2e0 Jaska Uimonen 2019-08-22 2189 if (ret < 0)
cac974a51ebb955 Jaska Uimonen 2019-08-09 2190 goto out;
cac974a51ebb955 Jaska Uimonen 2019-08-09 2191 }
311ce4fe7637d96 Liam Girdwood 2019-04-12 2192
878694dcbe51794 Keyon Jie 2020-08-25 2193 ipc_size = sizeof(struct sof_ipc_comp_process) + ipc_data_size;
311ce4fe7637d96 Liam Girdwood 2019-04-12 2194
cac974a51ebb955 Jaska Uimonen 2019-08-09 2195 /* we are exceeding max ipc size, config needs to be sent separately */
cac974a51ebb955 Jaska Uimonen 2019-08-09 2196 if (ipc_size > SOF_IPC_MSG_MAX_SIZE) {
cac974a51ebb955 Jaska Uimonen 2019-08-09 2197 ipc_size -= ipc_data_size;
cac974a51ebb955 Jaska Uimonen 2019-08-09 2198 ipc_data_size = 0;
cac974a51ebb955 Jaska Uimonen 2019-08-09 2199 }
cac974a51ebb955 Jaska Uimonen 2019-08-09 2200
783898ce68de526 Keyon Jie 2020-09-04 2201 process = (struct sof_ipc_comp_process *)
2263063fc4880d5 Keyon Jie 2020-09-21 2202 sof_comp_alloc(swidget, &ipc_size, index);
cac974a51ebb955 Jaska Uimonen 2019-08-09 2203 if (!process) {
cac974a51ebb955 Jaska Uimonen 2019-08-09 2204 ret = -ENOMEM;
cac974a51ebb955 Jaska Uimonen 2019-08-09 2205 goto out;
cac974a51ebb955 Jaska Uimonen 2019-08-09 2206 }
311ce4fe7637d96 Liam Girdwood 2019-04-12 2207
311ce4fe7637d96 Liam Girdwood 2019-04-12 2208 /* configure iir IPC message */
311ce4fe7637d96 Liam Girdwood 2019-04-12 2209 process->comp.type = type;
311ce4fe7637d96 Liam Girdwood 2019-04-12 2210 process->config.hdr.size = sizeof(process->config);
311ce4fe7637d96 Liam Girdwood 2019-04-12 2211
311ce4fe7637d96 Liam Girdwood 2019-04-12 2212 ret = sof_parse_tokens(scomp, &process->config, comp_tokens,
311ce4fe7637d96 Liam Girdwood 2019-04-12 2213 ARRAY_SIZE(comp_tokens), private->array,
311ce4fe7637d96 Liam Girdwood 2019-04-12 2214 le32_to_cpu(private->size));
311ce4fe7637d96 Liam Girdwood 2019-04-12 2215 if (ret != 0) {
ee1e79b72e3cf5e Ranjani Sridharan 2019-12-04 2216 dev_err(scomp->dev, "error: parse process.cfg tokens failed %d\n",
311ce4fe7637d96 Liam Girdwood 2019-04-12 2217 le32_to_cpu(private->size));
311ce4fe7637d96 Liam Girdwood 2019-04-12 2218 goto err;
311ce4fe7637d96 Liam Girdwood 2019-04-12 2219 }
311ce4fe7637d96 Liam Girdwood 2019-04-12 2220
311ce4fe7637d96 Liam Girdwood 2019-04-12 2221 sof_dbg_comp_config(scomp, &process->config);
311ce4fe7637d96 Liam Girdwood 2019-04-12 2222
311ce4fe7637d96 Liam Girdwood 2019-04-12 2223 /*
311ce4fe7637d96 Liam Girdwood 2019-04-12 2224 * found private data in control, so copy it.
311ce4fe7637d96 Liam Girdwood 2019-04-12 2225 * get possible component controls - get size of all pdata,
311ce4fe7637d96 Liam Girdwood 2019-04-12 2226 * then memcpy with headers
311ce4fe7637d96 Liam Girdwood 2019-04-12 2227 */
cac974a51ebb955 Jaska Uimonen 2019-08-09 2228 if (ipc_data_size) {
311ce4fe7637d96 Liam Girdwood 2019-04-12 2229 for (i = 0; i < widget->num_kcontrols; i++) {
cac974a51ebb955 Jaska Uimonen 2019-08-09 @2230 memcpy(&process->data + offset,
cac974a51ebb955 Jaska Uimonen 2019-08-09 2231 wdata[i].pdata->data,
cac974a51ebb955 Jaska Uimonen 2019-08-09 2232 wdata[i].pdata->size);
cac974a51ebb955 Jaska Uimonen 2019-08-09 2233 offset += wdata[i].pdata->size;
311ce4fe7637d96 Liam Girdwood 2019-04-12 2234 }
311ce4fe7637d96 Liam Girdwood 2019-04-12 2235 }
311ce4fe7637d96 Liam Girdwood 2019-04-12 2236
311ce4fe7637d96 Liam Girdwood 2019-04-12 2237 process->size = ipc_data_size;
311ce4fe7637d96 Liam Girdwood 2019-04-12 2238 swidget->private = process;
311ce4fe7637d96 Liam Girdwood 2019-04-12 2239 err:
cac974a51ebb955 Jaska Uimonen 2019-08-09 2240 if (ret < 0)
311ce4fe7637d96 Liam Girdwood 2019-04-12 2241 kfree(process);
cac974a51ebb955 Jaska Uimonen 2019-08-09 2242 out:
cac974a51ebb955 Jaska Uimonen 2019-08-09 2243 kfree(wdata);
311ce4fe7637d96 Liam Girdwood 2019-04-12 2244 return ret;
311ce4fe7637d96 Liam Girdwood 2019-04-12 2245 }
311ce4fe7637d96 Liam Girdwood 2019-04-12 2246
:::::: The code at line 2230 was first introduced by commit
:::::: cac974a51ebb955f3be260a9633836e1413c8672 ASoC: SOF: topology: use set_get_data in process load
:::::: TO: Jaska Uimonen <jaska.uimonen@...el.com>
:::::: CC: Mark Brown <broonie@...nel.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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