Messages in this thread | | | Date | Mon, 15 Aug 2022 04:47:11 +0800 | From | kernel test robot <> | Subject | drivers/media/dvb-frontends/nxt200x.c:1087:12: warning: stack frame size (15160) exceeds limit (8192) in 'nxt200x_init' |
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Hi Kees,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 5d6a0f4da9275f6c212de33777778673ba91241a commit: a52f8a59aef46b59753e583bf4b28fccb069ce64 fortify: Explicitly disable Clang support date: 11 months ago config: x86_64-randconfig-a013-20220815 (https://download.01.org/0day-ci/archive/20220815/202208150405.dJa74zEz-lkp@intel.com/config) compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 3329cec2f79185bafd678f310fafadba2a8c76d2) 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/torvalds/linux.git/commit/?id=a52f8a59aef46b59753e583bf4b28fccb069ce64 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout a52f8a59aef46b59753e583bf4b28fccb069ce64 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/iommu/ drivers/media/dvb-frontends/ drivers/usb/host/
If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> drivers/media/dvb-frontends/nxt200x.c:1087:12: warning: stack frame size (15160) exceeds limit (8192) in 'nxt200x_init' [-Wframe-larger-than] static int nxt200x_init(struct dvb_frontend* fe) ^ >> drivers/media/dvb-frontends/nxt200x.c:519:12: warning: stack frame size (9624) exceeds limit (8192) in 'nxt200x_setup_frontend_parameters' [-Wframe-larger-than] static int nxt200x_setup_frontend_parameters(struct dvb_frontend *fe) ^ 2 warnings generated. -- >> drivers/media/dvb-frontends/stv0367.c:995:12: warning: stack frame size (9464) exceeds limit (8192) in 'stv0367ter_algo' [-Wframe-larger-than] static int stv0367ter_algo(struct dvb_frontend *fe) ^ >> drivers/media/dvb-frontends/stv0367.c:2540:12: warning: stack frame size (9368) exceeds limit (8192) in 'stv0367cab_set_frontend' [-Wframe-larger-than] static int stv0367cab_set_frontend(struct dvb_frontend *fe) ^ 2 warnings generated. -- drivers/usb/host/max3421-hcd.c:1968:34: warning: unused variable 'max3421_of_match_table' [-Wunused-const-variable] static const struct of_device_id max3421_of_match_table[] = { ^ >> drivers/usb/host/max3421-hcd.c:1378:1: warning: stack frame size (11288) exceeds limit (8192) in 'max3421_spi_thread' [-Wframe-larger-than] max3421_spi_thread(void *dev_id) ^ 2 warnings generated.
vim +/nxt200x_init +1087 drivers/media/dvb-frontends/nxt200x.c
04a45929e7f00e drivers/media/dvb/frontends/nxt200x.c Kirk Lapray 2005-11-08 1086 04a45929e7f00e drivers/media/dvb/frontends/nxt200x.c Kirk Lapray 2005-11-08 @1087 static int nxt200x_init(struct dvb_frontend* fe) 04a45929e7f00e drivers/media/dvb/frontends/nxt200x.c Kirk Lapray 2005-11-08 1088 { 04a45929e7f00e drivers/media/dvb/frontends/nxt200x.c Kirk Lapray 2005-11-08 1089 struct nxt200x_state* state = fe->demodulator_priv; 04a45929e7f00e drivers/media/dvb/frontends/nxt200x.c Kirk Lapray 2005-11-08 1090 int ret = 0; 04a45929e7f00e drivers/media/dvb/frontends/nxt200x.c Kirk Lapray 2005-11-08 1091 04a45929e7f00e drivers/media/dvb/frontends/nxt200x.c Kirk Lapray 2005-11-08 1092 if (!state->initialised) { 04a45929e7f00e drivers/media/dvb/frontends/nxt200x.c Kirk Lapray 2005-11-08 1093 switch (state->demod_chip) { 04a45929e7f00e drivers/media/dvb/frontends/nxt200x.c Kirk Lapray 2005-11-08 1094 case NXT2002: 04a45929e7f00e drivers/media/dvb/frontends/nxt200x.c Kirk Lapray 2005-11-08 1095 ret = nxt2002_init(fe); 04a45929e7f00e drivers/media/dvb/frontends/nxt200x.c Kirk Lapray 2005-11-08 1096 break; 04a45929e7f00e drivers/media/dvb/frontends/nxt200x.c Kirk Lapray 2005-11-08 1097 case NXT2004: 04a45929e7f00e drivers/media/dvb/frontends/nxt200x.c Kirk Lapray 2005-11-08 1098 ret = nxt2004_init(fe); 04a45929e7f00e drivers/media/dvb/frontends/nxt200x.c Kirk Lapray 2005-11-08 1099 break; 04a45929e7f00e drivers/media/dvb/frontends/nxt200x.c Kirk Lapray 2005-11-08 1100 default: 04a45929e7f00e drivers/media/dvb/frontends/nxt200x.c Kirk Lapray 2005-11-08 1101 return -EINVAL; 04a45929e7f00e drivers/media/dvb/frontends/nxt200x.c Kirk Lapray 2005-11-08 1102 } 04a45929e7f00e drivers/media/dvb/frontends/nxt200x.c Kirk Lapray 2005-11-08 1103 state->initialised = 1; 04a45929e7f00e drivers/media/dvb/frontends/nxt200x.c Kirk Lapray 2005-11-08 1104 } 04a45929e7f00e drivers/media/dvb/frontends/nxt200x.c Kirk Lapray 2005-11-08 1105 return ret; 04a45929e7f00e drivers/media/dvb/frontends/nxt200x.c Kirk Lapray 2005-11-08 1106 } 04a45929e7f00e drivers/media/dvb/frontends/nxt200x.c Kirk Lapray 2005-11-08 1107
:::::: The code at line 1087 was first introduced by commit :::::: 04a45929e7f00ed4fc7b1d375397f808c8a5d0eb [PATCH] dvb: add nxt200x frontend module
:::::: TO: Kirk Lapray <kirk.lapray@gmail.com> :::::: CC: Linus Torvalds <torvalds@g5.osdl.org>
-- 0-DAY CI Kernel Test Service https://01.org/lkp
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