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
---
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