tree: https://github.com/morimoto/linux sound/2021-09-10-v1 head: ef65e8d9cd290c52e9db7b341d5f9878bc3ca021 commit: da849e8bdf0863f2f3e2bb25428b6293639cfacd [21/36] ASoC: add Rich Graph Card driver config: x86_64-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/morimoto/linux/commit/da849e8bdf0863f2f3e2bb25428b6293... git remote add morimoto-linux https://github.com/morimoto/linux git fetch --no-tags morimoto-linux sound/2021-09-10-v1 git checkout da849e8bdf0863f2f3e2bb25428b6293639cfacd # save the attached .config to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): sound/soc/generic/rich-graph-card.c: In function 'graph_count': 511 | default: | ^~~~~~~ vim +511 sound/soc/generic/rich-graph-card.c 491 492 static int graph_count(struct asoc_simple_priv *priv, 493 struct graph_custom_hooks *hooks, 494 enum graph_type gtype, 495 struct device_node *lnk, 496 struct link_info *li) 497 { 498 struct device *dev = simple_priv_to_dev(priv); 499 GRAPH_CUSTOM func = NULL; 500 int ret = -EINVAL; 501 502 if (li->link >= SNDRV_MAX_LINKS) { 503 dev_err(dev, "too many links\n"); 504 return ret; 505 } 506 507 switch (gtype) { 508 case GRAPH_NORMAL: 509 func = graph_count_normal; 510 break; 512 } 513 514 if (!func) { 515 dev_err(dev, "non supported gtype (%d)\n", gtype); 516 goto err; 517 } 518 519 ret = func(priv, lnk, li); 520 if (ret < 0) 521 goto err; 522 523 li->link++; 524 err: 525 return ret; 526 } 527 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org