* [mcgrof:sysctl-testing-opt 2/20] fs/proc/proc_sysctl.c:1287:8: error: must use 'struct' tag to refer to type 'ctl_dir'
@ 2023-03-02 4:52 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2023-03-02 4:52 UTC (permalink / raw)
To: Luis Chamberlain; +Cc: llvm, oe-kbuild-all
Hi Luis,
FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux.git sysctl-testing-opt
head: 4ac91d63df04d5f5e9830394b6d266adb2a21585
commit: 16bbd0aea0b8edb87a0133affeaad33820ce81f9 [2/20] proc_sysctl: move helper which creates required subdirectories
config: hexagon-buildonly-randconfig-r005-20230302 (https://download.01.org/0day-ci/archive/20230302/202303021239.XT7Oo08R-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 67409911353323ca5edf2049ef0df54132fa1ca7)
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/mcgrof/linux.git/commit/?id=16bbd0aea0b8edb87a0133affeaad33820ce81f9
git remote add mcgrof https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux.git
git fetch --no-tags mcgrof sysctl-testing-opt
git checkout 16bbd0aea0b8edb87a0133affeaad33820ce81f9
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash fs/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303021239.XT7Oo08R-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from fs/proc/proc_sysctl.c:17:
In file included from include/linux/bpf-cgroup.h:5:
In file included from include/linux/bpf.h:31:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:26:
In file included from include/linux/kernel_stat.h:9:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/hexagon/include/asm/io.h:334:
include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __raw_readb(PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
#define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
^
In file included from fs/proc/proc_sysctl.c:17:
In file included from include/linux/bpf-cgroup.h:5:
In file included from include/linux/bpf.h:31:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:26:
In file included from include/linux/kernel_stat.h:9:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/hexagon/include/asm/io.h:334:
include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
#define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
^
In file included from fs/proc/proc_sysctl.c:17:
In file included from include/linux/bpf-cgroup.h:5:
In file included from include/linux/bpf.h:31:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:26:
In file included from include/linux/kernel_stat.h:9:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/hexagon/include/asm/io.h:334:
include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writeb(value, PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
>> fs/proc/proc_sysctl.c:1287:8: error: must use 'struct' tag to refer to type 'ctl_dir'
static ctl_dir *dir sysctl_mkdir_p(struct ctl_dir *dir, const char *path)
^
struct
>> fs/proc/proc_sysctl.c:1287:20: error: expected ';' after top level declarator
static ctl_dir *dir sysctl_mkdir_p(struct ctl_dir *dir, const char *path)
^
;
6 warnings and 2 errors generated.
vim +1287 fs/proc/proc_sysctl.c
1285
1286 /* Find or the directory for the ctl_table. If one is not found create it. */
> 1287 static ctl_dir *dir sysctl_mkdir_p(struct ctl_dir *dir, const char *path)
1288 {
1289 const char *name, *nextname;
1290
1291 for (name = path; name; name = nextname) {
1292 int namelen;
1293 nextname = strchr(name, '/');
1294 if (nextname) {
1295 namelen = nextname - name;
1296 nextname++;
1297 } else {
1298 namelen = strlen(name);
1299 }
1300 if (namelen == 0)
1301 continue;
1302
1303 /*
1304 * namelen ensures if name is "foo/bar/yay" only foo is
1305 * registered first. We traverse as if using mkdir -p and
1306 * return a ctl_dir for the last directory entry.
1307 */
1308 dir = get_subdir(dir, name, namelen);
1309 if (IS_ERR(dir))
1310 break;
1311 }
1312 return dir;
1313 }
1314
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
^ permalink raw reply [flat|nested] 2+ messages in thread
* [mcgrof:sysctl-testing-opt 2/20] fs/proc/proc_sysctl.c:1287:8: error: must use 'struct' tag to refer to type 'ctl_dir'
@ 2023-03-02 4:52 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2023-03-02 4:52 UTC (permalink / raw)
To: Luis Chamberlain; +Cc: llvm, oe-kbuild-all
Hi Luis,
FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux.git sysctl-testing-opt
head: 4ac91d63df04d5f5e9830394b6d266adb2a21585
commit: 16bbd0aea0b8edb87a0133affeaad33820ce81f9 [2/20] proc_sysctl: move helper which creates required subdirectories
config: x86_64-randconfig-a014 (https://download.01.org/0day-ci/archive/20230302/202303021230.tfoIVroT-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
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/mcgrof/linux.git/commit/?id=16bbd0aea0b8edb87a0133affeaad33820ce81f9
git remote add mcgrof https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux.git
git fetch --no-tags mcgrof sysctl-testing-opt
git checkout 16bbd0aea0b8edb87a0133affeaad33820ce81f9
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash fs/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303021230.tfoIVroT-lkp@intel.com/
All errors (new ones prefixed by >>):
>> fs/proc/proc_sysctl.c:1287:8: error: must use 'struct' tag to refer to type 'ctl_dir'
static ctl_dir *dir sysctl_mkdir_p(struct ctl_dir *dir, const char *path)
^
struct
>> fs/proc/proc_sysctl.c:1287:20: error: expected ';' after top level declarator
static ctl_dir *dir sysctl_mkdir_p(struct ctl_dir *dir, const char *path)
^
;
2 errors generated.
vim +1287 fs/proc/proc_sysctl.c
1285
1286 /* Find or the directory for the ctl_table. If one is not found create it. */
> 1287 static ctl_dir *dir sysctl_mkdir_p(struct ctl_dir *dir, const char *path)
1288 {
1289 const char *name, *nextname;
1290
1291 for (name = path; name; name = nextname) {
1292 int namelen;
1293 nextname = strchr(name, '/');
1294 if (nextname) {
1295 namelen = nextname - name;
1296 nextname++;
1297 } else {
1298 namelen = strlen(name);
1299 }
1300 if (namelen == 0)
1301 continue;
1302
1303 /*
1304 * namelen ensures if name is "foo/bar/yay" only foo is
1305 * registered first. We traverse as if using mkdir -p and
1306 * return a ctl_dir for the last directory entry.
1307 */
1308 dir = get_subdir(dir, name, namelen);
1309 if (IS_ERR(dir))
1310 break;
1311 }
1312 return dir;
1313 }
1314
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
^ permalink raw reply [flat|nested] 2+ messages in thread
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