tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git driver_attr head: c50b7be3ac64d5322e8f84f2e78f2f4b518b36ef commit: 9a7a2d0c98fd773bf315f298db91e01ffec8ac39 [8/11] pcmcia: ds: convert to use DRIVER_ATTR_RO config: x86_64-randconfig-x019-201723 (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: git checkout 9a7a2d0c98fd773bf315f298db91e01ffec8ac39 # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): >> drivers/pcmcia/ds.c:136:65: error: macro "DRIVER_ATTR_WO" passed 4 arguments, but takes just 1 static DRIVER_ATTR_WO(new_id, S_IWUSR, NULL, pcmcia_store_new_id); ^ >> drivers/pcmcia/ds.c:136:8: error: type defaults to 'int' in declaration of 'DRIVER_ATTR_WO' [-Werror=implicit-int] static DRIVER_ATTR_WO(new_id, S_IWUSR, NULL, pcmcia_store_new_id); ^~~~~~~~~~~~~~ drivers/pcmcia/ds.c: In function 'pcmcia_create_newid_file': >> drivers/pcmcia/ds.c:156:42: error: 'driver_attr_new_id' undeclared (first use in this function) error = driver_create_file(&drv->drv, &driver_attr_new_id); ^~~~~~~~~~~~~~~~~~ drivers/pcmcia/ds.c:156:42: note: each undeclared identifier is reported only once for each function it appears in drivers/pcmcia/ds.c: In function 'pcmcia_remove_newid_file': drivers/pcmcia/ds.c:163:33: error: 'driver_attr_new_id' undeclared (first use in this function) driver_remove_file(&drv->drv, &driver_attr_new_id); ^~~~~~~~~~~~~~~~~~ At top level: drivers/pcmcia/ds.c:136:8: warning: 'DRIVER_ATTR_WO' defined but not used [-Wunused-variable] static DRIVER_ATTR_WO(new_id, S_IWUSR, NULL, pcmcia_store_new_id); ^~~~~~~~~~~~~~ drivers/pcmcia/ds.c:98:1: warning: 'new_id_store' defined but not used [-Wunused-function] new_id_store(struct device_driver *driver, const char *buf, size_t count) ^~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/DRIVER_ATTR_WO +136 drivers/pcmcia/ds.c 130 retval = driver_attach(&pdrv->drv); 131 132 if (retval) 133 return retval; 134 return count; 135 } > 136 static DRIVER_ATTR_WO(new_id, S_IWUSR, NULL, pcmcia_store_new_id); 137 138 static void 139 pcmcia_free_dynids(struct pcmcia_driver *drv) 140 { 141 struct pcmcia_dynid *dynid, *n; 142 143 mutex_lock(&drv->dynids.lock); 144 list_for_each_entry_safe(dynid, n, &drv->dynids.list, node) { 145 list_del(&dynid->node); 146 kfree(dynid); 147 } 148 mutex_unlock(&drv->dynids.lock); 149 } 150 151 static int 152 pcmcia_create_newid_file(struct pcmcia_driver *drv) 153 { 154 int error = 0; 155 if (drv->probe != NULL) > 156 error = driver_create_file(&drv->drv, &driver_attr_new_id); 157 return error; 158 } 159 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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