Hi Alexandru, url: https://github.com/0day-ci/linux/commits/Alexandru-Gagniuc/drm-bridge-sii902x-Enable-I-O-and-core-VCC-supplies-if-present/20200925-041504 base: git://anongit.freedesktop.org/drm-intel for-linux-next config: x86_64-randconfig-m001-20200925 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> smatch warnings: drivers/gpu/drm/bridge/sii902x.c:1013 sii902x_probe() warn: passing zero to 'PTR_ERR' vim +/PTR_ERR +1013 drivers/gpu/drm/bridge/sii902x.c 6f6c7f7bbe3f177 Alexandru Gagniuc 2020-09-24 999 sii902x->cvcc12 = devm_regulator_get(dev, "cvcc12"); 6f6c7f7bbe3f177 Alexandru Gagniuc 2020-09-24 1000 if (IS_ERR(sii902x->cvcc12)) 6f6c7f7bbe3f177 Alexandru Gagniuc 2020-09-24 1001 return PTR_ERR(sii902x->cvcc12); 6f6c7f7bbe3f177 Alexandru Gagniuc 2020-09-24 1002 6f6c7f7bbe3f177 Alexandru Gagniuc 2020-09-24 1003 ret = regulator_enable(sii902x->iovcc); 6f6c7f7bbe3f177 Alexandru Gagniuc 2020-09-24 1004 if (ret < 0) { 6f6c7f7bbe3f177 Alexandru Gagniuc 2020-09-24 1005 dev_err(dev, "Failed to enable iovcc supply: %d\n", ret); 6f6c7f7bbe3f177 Alexandru Gagniuc 2020-09-24 1006 return ret; 6f6c7f7bbe3f177 Alexandru Gagniuc 2020-09-24 1007 } 6f6c7f7bbe3f177 Alexandru Gagniuc 2020-09-24 1008 6f6c7f7bbe3f177 Alexandru Gagniuc 2020-09-24 1009 ret = regulator_enable(sii902x->cvcc12); 6f6c7f7bbe3f177 Alexandru Gagniuc 2020-09-24 1010 if (ret < 0) { 6f6c7f7bbe3f177 Alexandru Gagniuc 2020-09-24 1011 dev_err(dev, "Failed to enable cvcc12 supply: %d\n", ret); 6f6c7f7bbe3f177 Alexandru Gagniuc 2020-09-24 1012 regulator_disable(sii902x->iovcc); 6f6c7f7bbe3f177 Alexandru Gagniuc 2020-09-24 @1013 return PTR_ERR(sii902x->cvcc12); return ret; 6f6c7f7bbe3f177 Alexandru Gagniuc 2020-09-24 1014 } 6f6c7f7bbe3f177 Alexandru Gagniuc 2020-09-24 1015 6f6c7f7bbe3f177 Alexandru Gagniuc 2020-09-24 1016 ret = sii902x_init(sii902x); 6f6c7f7bbe3f177 Alexandru Gagniuc 2020-09-24 1017 if (ret < 0) { 6f6c7f7bbe3f177 Alexandru Gagniuc 2020-09-24 1018 regulator_disable(sii902x->cvcc12); 6f6c7f7bbe3f177 Alexandru Gagniuc 2020-09-24 1019 regulator_disable(sii902x->iovcc); 6f6c7f7bbe3f177 Alexandru Gagniuc 2020-09-24 1020 } 6f6c7f7bbe3f177 Alexandru Gagniuc 2020-09-24 1021 6f6c7f7bbe3f177 Alexandru Gagniuc 2020-09-24 1022 return ret; 6f6c7f7bbe3f177 Alexandru Gagniuc 2020-09-24 1023 } --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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