[driver-core:class_groups_removal 3/7] drivers/mtd/ubi/build.c:116:2: warning: initialization from incompatible pointer type
kbuild test robot
fengguang.wu at intel.com
Tue Jun 6 14:12:46 UTC 2017
tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git class_groups_removal
head: 0e917470c6fbd8ad8eb957c663aecc25b859c7fb
commit: 8c103093703b767ff463d04c78569e4abf9fbbc8 [3/7] mtd: use class_groups instead of class_attrs
config: xtensa-allmodconfig (attached as .config)
compiler: xtensa-linux-gcc (GCC) 4.9.0
reproduce:
wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout 8c103093703b767ff463d04c78569e4abf9fbbc8
# save the attached .config to linux build tree
make.cross ARCH=xtensa
All warnings (new ones prefixed by >>):
>> drivers/mtd/ubi/build.c:116:2: warning: initialization from incompatible pointer type
&class_attr_version.attr,
^
drivers/mtd/ubi/build.c:116:2: warning: (near initialization for 'ubi_class_attrs[0]')
In file included from include/linux/kobject.h:21:0,
from include/linux/module.h:17,
from drivers/mtd/ubi/build.c:33:
>> include/linux/sysfs.h:147:21: warning: initialization from incompatible pointer type
static const struct attribute_group _name##_group = { \
^
>> drivers/mtd/ubi/build.c:119:1: note: in expansion of macro 'ATTRIBUTE_GROUPS'
ATTRIBUTE_GROUPS(ubi_class);
^
include/linux/sysfs.h:147:21: warning: (near initialization for 'ubi_class_group.attrs')
static const struct attribute_group _name##_group = { \
^
>> drivers/mtd/ubi/build.c:119:1: note: in expansion of macro 'ATTRIBUTE_GROUPS'
ATTRIBUTE_GROUPS(ubi_class);
^
--
drivers/mtd//ubi/build.c:116:2: warning: initialization from incompatible pointer type
&class_attr_version.attr,
^
drivers/mtd//ubi/build.c:116:2: warning: (near initialization for 'ubi_class_attrs[0]')
In file included from include/linux/kobject.h:21:0,
from include/linux/module.h:17,
from drivers/mtd//ubi/build.c:33:
>> include/linux/sysfs.h:147:21: warning: initialization from incompatible pointer type
static const struct attribute_group _name##_group = { \
^
drivers/mtd//ubi/build.c:119:1: note: in expansion of macro 'ATTRIBUTE_GROUPS'
ATTRIBUTE_GROUPS(ubi_class);
^
include/linux/sysfs.h:147:21: warning: (near initialization for 'ubi_class_group.attrs')
static const struct attribute_group _name##_group = { \
^
drivers/mtd//ubi/build.c:119:1: note: in expansion of macro 'ATTRIBUTE_GROUPS'
ATTRIBUTE_GROUPS(ubi_class);
^
vim +116 drivers/mtd/ubi/build.c
110 {
111 return sprintf(buf, "%d\n", UBI_VERSION);
112 }
113 static CLASS_ATTR_RO(version);
114
115 static struct attributes *ubi_class_attrs[] = {
> 116 &class_attr_version.attr,
117 NULL,
118 };
> 119 ATTRIBUTE_GROUPS(ubi_class);
120
121 /* Root UBI "class" object (corresponds to '/<sysfs>/class/ubi/') */
122 struct class ubi_class = {
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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