Hi Peter, I love your patch! Perhaps something to improve: [auto build test WARNING on linus/master] [also build test WARNING on v4.17-rc6] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Peter-Rosin/rtmutex-allow-specifying-a-subclass-for-nested-locking/20180526-140421 reproduce: # apt-get install sparse make ARCH=x86_64 allmodconfig make C=1 CF=-D__CHECK_ENDIAN__ sparse warnings: (new ones prefixed by >>) kernel/locking/locktorture.c:444:9: sparse: undefined identifier 'rt_mutex_lock' kernel/locking/locktorture.c:586:6: sparse: symbol 'torture_percpu_rwsem_init' was not declared. Should it be static? kernel/locking/locktorture.c:331:12: sparse: context imbalance in 'torture_mutex_lock' - wrong count at exit kernel/locking/locktorture.c:351:13: sparse: context imbalance in 'torture_mutex_unlock' - wrong count at exit kernel/locking/locktorture.c:373:12: sparse: context imbalance in 'torture_ww_mutex_lock' - wrong count at exit kernel/locking/locktorture.c:418:13: sparse: context imbalance in 'torture_ww_mutex_unlock' - wrong count at exit >> kernel/locking/locktorture.c:444:22: sparse: call with no type! kernel/locking/locktorture.c:442:12: sparse: context imbalance in 'torture_rtmutex_lock' - wrong count at exit kernel/locking/locktorture.c:504:13: sparse: context imbalance in 'torture_rtmutex_unlock' - wrong count at exit kernel/locking/locktorture.c:522:12: sparse: context imbalance in 'torture_rwsem_down_write' - wrong count at exit kernel/locking/locktorture.c:542:13: sparse: context imbalance in 'torture_rwsem_up_write' - wrong count at exit kernel/locking/locktorture.c:547:12: sparse: context imbalance in 'torture_rwsem_down_read' - wrong count at exit kernel/locking/locktorture.c:567:13: sparse: context imbalance in 'torture_rwsem_up_read' - wrong count at exit kernel/locking/locktorture.c:591:12: sparse: context imbalance in 'torture_percpu_rwsem_down_write' - wrong count at exit kernel/locking/locktorture.c:597:13: sparse: context imbalance in 'torture_percpu_rwsem_up_write' - wrong count at exit include/linux/percpu-rwsem.h:50:9: sparse: context imbalance in 'torture_percpu_rwsem_down_read' - wrong count at exit include/linux/percpu-rwsem.h:100:9: sparse: context imbalance in 'torture_percpu_rwsem_up_read' - wrong count at exit kernel/locking/locktorture.c: In function 'torture_rtmutex_lock': kernel/locking/locktorture.c:444:2: error: implicit declaration of function 'rt_mutex_lock'; did you mean 'ww_mutex_lock'? [-Werror=implicit-function-declaration] rt_mutex_lock(&torture_rtmutex); ^~~~~~~~~~~~~ ww_mutex_lock cc1: some warnings being treated as errors -- drivers/staging/media/atomisp/pci/atomisp2/atomisp_compat_css20.c:4225:9: sparse: undefined identifier 'rt_mutex_lock' >> drivers/staging/media/atomisp/pci/atomisp2/atomisp_compat_css20.c:4225:22: sparse: call with no type! drivers/staging/media/atomisp/pci/atomisp2/atomisp_compat_css20.c: In function 'atomisp_css_wait_acc_finish': drivers/staging/media/atomisp/pci/atomisp2/atomisp_compat_css20.c:4225:2: error: implicit declaration of function 'rt_mutex_lock'; did you mean 'rt_mutex_unlock'? [-Werror=implicit-function-declaration] rt_mutex_lock(&isp->mutex); ^~~~~~~~~~~~~ rt_mutex_unlock cc1: some warnings being treated as errors -- drivers/staging/media/atomisp/pci/atomisp2/atomisp_fops.c:774:9: sparse: undefined identifier 'rt_mutex_lock' drivers/staging/media/atomisp/pci/atomisp2/atomisp_fops.c:910:9: sparse: undefined identifier 'rt_mutex_lock' drivers/staging/media/atomisp/pci/atomisp2/atomisp_fops.c:1174:9: sparse: undefined identifier 'rt_mutex_lock' drivers/staging/media/atomisp/pci/atomisp2/atomisp_fops.c:1265:9: sparse: undefined identifier 'rt_mutex_lock' >> drivers/staging/media/atomisp/pci/atomisp2/atomisp_fops.c:774:22: sparse: call with no type! drivers/staging/media/atomisp/pci/atomisp2/atomisp_fops.c:910:22: sparse: call with no type! drivers/staging/media/atomisp/pci/atomisp2/atomisp_fops.c:1174:22: sparse: call with no type! drivers/staging/media/atomisp/pci/atomisp2/atomisp_fops.c:1265:22: sparse: call with no type! drivers/staging/media/atomisp/pci/atomisp2/atomisp_fops.c: In function 'atomisp_open': drivers/staging/media/atomisp/pci/atomisp2/atomisp_fops.c:774:2: error: implicit declaration of function 'rt_mutex_lock'; did you mean 'rt_mutex_unlock'? [-Werror=implicit-function-declaration] rt_mutex_lock(&isp->mutex); ^~~~~~~~~~~~~ rt_mutex_unlock cc1: some warnings being treated as errors -- drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:663:9: sparse: undefined identifier 'rt_mutex_lock' drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:680:9: sparse: undefined identifier 'rt_mutex_lock' drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:781:9: sparse: undefined identifier 'rt_mutex_lock' drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:829:9: sparse: undefined identifier 'rt_mutex_lock' drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:842:9: sparse: undefined identifier 'rt_mutex_lock' drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:857:9: sparse: undefined identifier 'rt_mutex_lock' drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:870:9: sparse: undefined identifier 'rt_mutex_lock' drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:888:9: sparse: undefined identifier 'rt_mutex_lock' drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:1109:9: sparse: undefined identifier 'rt_mutex_lock' drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:1171:9: sparse: undefined identifier 'rt_mutex_lock' drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:1302:9: sparse: undefined identifier 'rt_mutex_lock' drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:1377:9: sparse: undefined identifier 'rt_mutex_lock' drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:1439:9: sparse: undefined identifier 'rt_mutex_lock' drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:1460:9: sparse: undefined identifier 'rt_mutex_lock' drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:1696:9: sparse: undefined identifier 'rt_mutex_lock' drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:1757:33: sparse: undefined identifier 'rt_mutex_lock' drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:2036:17: sparse: undefined identifier 'rt_mutex_lock' drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:2182:9: sparse: undefined identifier 'rt_mutex_lock' drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:2213:9: sparse: undefined identifier 'rt_mutex_lock' drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:2292:9: sparse: undefined identifier 'rt_mutex_lock' drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:2466:25: sparse: undefined identifier 'rt_mutex_lock' drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:2577:25: sparse: undefined identifier 'rt_mutex_lock' drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:2593:25: sparse: undefined identifier 'rt_mutex_lock' drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:2655:9: sparse: undefined identifier 'rt_mutex_lock' drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:2677:9: sparse: undefined identifier 'rt_mutex_lock' drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:2735:9: sparse: undefined identifier 'rt_mutex_lock' drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:2775:17: sparse: undefined identifier 'rt_mutex_lock' >> drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:663:22: sparse: call with no type! drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:680:22: sparse: call with no type! drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:781:22: sparse: call with no type! drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:829:22: sparse: call with no type! drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:842:22: sparse: call with no type! drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:857:22: sparse: call with no type! drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:870:22: sparse: call with no type! drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:888:22: sparse: call with no type! drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:1109:22: sparse: call with no type! drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:1171:22: sparse: call with no type! drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:1302:22: sparse: call with no type! drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:1377:22: sparse: call with no type! drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:1439:22: sparse: call with no type! drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:1460:22: sparse: call with no type! drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:1696:22: sparse: call with no type! drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:1757:46: sparse: call with no type! drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:2036:30: sparse: call with no type! drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:2182:22: sparse: call with no type! drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:2213:22: sparse: call with no type! drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:2292:22: sparse: call with no type! drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:2466:38: sparse: call with no type! drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:2577:38: sparse: call with no type! drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:2593:38: sparse: call with no type! drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:2655:22: sparse: call with no type! drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:2677:22: sparse: call with no type! drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:2735:22: sparse: call with no type! drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:2775:30: sparse: call with no type! drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c: In function 'atomisp_g_input': drivers/staging/media/atomisp/pci/atomisp2/atomisp_ioctl.c:663:2: error: implicit declaration of function 'rt_mutex_lock'; did you mean 'rt_mutex_unlock'? [-Werror=implicit-function-declaration] rt_mutex_lock(&isp->mutex); ^~~~~~~~~~~~~ rt_mutex_unlock cc1: some warnings being treated as errors -- drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:1466:9: sparse: undefined identifier 'rt_mutex_lock' drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:1891:9: sparse: undefined identifier 'rt_mutex_lock' drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:3302:43: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] <asn:1>*from @@ got ef] <asn:1>*from @@ drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:3302:43: expected void const [noderef] <asn:1>*from drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:3302:43: got void const *from drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:4070:58: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const *from @@ got unsigned short [nodervoid const *from @@ drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:4070:58: expected void const *from drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:4070:58: got unsigned short [noderef] <asn:1>*<noident> drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:4082:58: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const *from @@ got unsigned short [nodervoid const *from @@ drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:4082:58: expected void const *from drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:4082:58: got unsigned short [noderef] <asn:1>*<noident> drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:4827:35: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:4827:35: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:4986:28: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:4986:28: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:4986:28: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:4986:28: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:4986:28: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:4986:28: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:4986:28: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:4986:28: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:4986:28: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:4986:28: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:4986:28: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:4986:28: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:4986:28: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:4986:28: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:4989:29: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:4989:29: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:4989:29: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:4989:29: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:4989:29: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:4989:29: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:4989:29: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:4989:29: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:4989:29: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:4989:29: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:4989:29: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:4989:29: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:4989:29: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:4989:29: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5020:28: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5020:28: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5020:28: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5020:28: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5020:28: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5020:28: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5020:28: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5023:29: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5023:29: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5023:29: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5023:29: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5023:29: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5023:29: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5023:29: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5875:36: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5875:36: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5875:36: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5875:36: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5875:36: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5875:36: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5875:36: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5875:36: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5875:36: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5875:36: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5875:36: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5875:36: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5875:36: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5875:36: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5879:37: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5879:37: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5879:37: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5879:37: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5879:37: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5879:37: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5879:37: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5879:37: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5879:37: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5879:37: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5879:37: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5879:37: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5879:37: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5879:37: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5967:33: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5967:33: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5970:33: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:5970:33: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:6179:62: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] <asn:1>*from @@ got id const [noderef] <asn:1>*from @@ drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:6179:62: expected void const [noderef] <asn:1>*from drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:6179:62: got unsigned short [usertype] *<noident> drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:6327:33: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:6327:33: sparse: expression using sizeof(void) drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:6332:33: sparse: expression using sizeof(void) >> drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:1466:22: sparse: call with no type! drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:1891:22: sparse: call with no type! drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c: In function 'atomisp_wdt_work': drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c:1466:2: error: implicit declaration of function 'rt_mutex_lock'; did you mean 'rt_mutex_unlock'? [-Werror=implicit-function-declaration] rt_mutex_lock(&isp->mutex); ^~~~~~~~~~~~~ rt_mutex_unlock cc1: some warnings being treated as errors vim +444 kernel/locking/locktorture.c 095777c4 Davidlohr Bueso 2015-07-22 441 095777c4 Davidlohr Bueso 2015-07-22 442 static int torture_rtmutex_lock(void) __acquires(torture_rtmutex) 095777c4 Davidlohr Bueso 2015-07-22 443 { 095777c4 Davidlohr Bueso 2015-07-22 @444 rt_mutex_lock(&torture_rtmutex); 095777c4 Davidlohr Bueso 2015-07-22 445 return 0; 095777c4 Davidlohr Bueso 2015-07-22 446 } 095777c4 Davidlohr Bueso 2015-07-22 447 :::::: The code at line 444 was first introduced by commit :::::: 095777c417db142970adeb776fa0cb10810b8122 locktorture: Support rtmutex torturing :::::: TO: Davidlohr Bueso <dave@xxxxxxxxxxxx> :::::: CC: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
