CC: kbuild-all(a)lists.01.org BCC: lkp(a)intel.com CC: linux-kernel(a)vger.kernel.org TO: Kuninori Morimoto CC: Mark Brown tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: b2d229d4ddb17db541098b83524d901257e93845 commit: cc64c390b215b404524725a94857d6fb58d9a62a ASoC: rsnd: adg: clearly handle clock error / NULL case date: 8 months ago :::::: branch date: 24 hours ago :::::: commit date: 8 months ago config: h8300-randconfig-m031-20220418 (https://download.01.org/0day-ci/archive/20220419/202204190441.6TR76Jeo-lkp(a)intel.com/config) compiler: h8300-linux-gcc (GCC) 11.2.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot Reported-by: Dan Carpenter smatch warnings: sound/soc/sh/rcar/adg.c:396 rsnd_adg_create_null_clk() warn: passing zero to 'ERR_CAST' vim +/ERR_CAST +396 sound/soc/sh/rcar/adg.c c2d3171847611e Kuninori Morimoto 2016-12-07 385 cb2f97d89f383d Kuninori Morimoto 2021-06-02 386 static struct clk *rsnd_adg_create_null_clk(struct rsnd_priv *priv, cb2f97d89f383d Kuninori Morimoto 2021-06-02 387 const char * const name, cb2f97d89f383d Kuninori Morimoto 2021-06-02 388 const char *parent) d6956a7dde6fbf Kuninori Morimoto 2021-05-24 389 { d6956a7dde6fbf Kuninori Morimoto 2021-05-24 390 struct device *dev = rsnd_priv_to_dev(priv); cb2f97d89f383d Kuninori Morimoto 2021-06-02 391 struct clk *clk; d6956a7dde6fbf Kuninori Morimoto 2021-05-24 392 cb2f97d89f383d Kuninori Morimoto 2021-06-02 393 clk = clk_register_fixed_rate(dev, name, parent, 0, 0); cc64c390b215b4 Kuninori Morimoto 2021-08-20 394 if (IS_ERR_OR_NULL(clk)) { cb2f97d89f383d Kuninori Morimoto 2021-06-02 395 dev_err(dev, "create null clk error\n"); cc64c390b215b4 Kuninori Morimoto 2021-08-20 @396 return ERR_CAST(clk); cb2f97d89f383d Kuninori Morimoto 2021-06-02 397 } d6956a7dde6fbf Kuninori Morimoto 2021-05-24 398 cb2f97d89f383d Kuninori Morimoto 2021-06-02 399 return clk; cb2f97d89f383d Kuninori Morimoto 2021-06-02 400 } d6956a7dde6fbf Kuninori Morimoto 2021-05-24 401 -- 0-DAY CI Kernel Test Service https://01.org/lkp