From: kbuild test robot <lkp@intel.com>
To: Arvind Yadav <arvind.yadav.cs@gmail.com>
Cc: kbuild-all@01.org, zajec5@gmail.com, viresh.kumar@linaro.org,
akpm@linux-foundation.org, linux-wireless@vger.kernel.org,
linux-kernel@vger.kernel.org,
Arvind Yadav <arvind.yadav.cs@gmail.com>
Subject: Re: [v1] ErrHandling:Make IS_ERR_VALUE_U32 as generic API to avoid IS_ERR_VALUE abuses.
Date: Sun, 10 Jul 2016 02:23:05 +0800 [thread overview]
Message-ID: <201607100229.1QmGOEYE%fengguang.wu@intel.com> (raw)
In-Reply-To: <1468079460-10153-1-git-send-email-arvind.yadav.cs@gmail.com>
[-- Attachment #1: Type: text/plain, Size: 27447 bytes --]
Hi,
[auto build test WARNING on v4.7-rc6]
[also build test WARNING on next-20160708]
[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/Arvind-Yadav/ErrHandling-Make-IS_ERR_VALUE_U32-as-generic-API-to-avoid-IS_ERR_VALUE-abuses/20160709-235356
config: x86_64-randconfig-x007-201628 (attached as .config)
compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64
All warnings (new ones prefixed by >>):
In file included from include/uapi/linux/stddef.h:1:0,
from include/linux/stddef.h:4,
from include/uapi/linux/posix_types.h:4,
from include/uapi/linux/types.h:13,
from include/linux/types.h:5,
from include/linux/mod_devicetable.h:11,
from include/linux/pci.h:20,
from include/linux/bcma/bcma.h:4,
from drivers/bcma/bcma_private.h:8,
from drivers/bcma/scan.c:9:
drivers/bcma/scan.c: In function 'bcma_get_next_core':
include/linux/err.h:23:52: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^
include/linux/compiler.h:151:30: note: in definition of macro '__trace_if'
if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
^~~~
>> drivers/bcma/scan.c:361:2: note: in expansion of macro 'if'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~
include/linux/err.h:23:29: note: in expansion of macro 'unlikely'
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^~~~~~~~
drivers/bcma/scan.c:361:18: note: in expansion of macro 'IS_ERR_VALUE_U32'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~~~~~~~~~~~~~~~
include/linux/err.h:23:38: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^
include/linux/compiler.h:151:30: note: in definition of macro '__trace_if'
if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
^~~~
>> drivers/bcma/scan.c:361:2: note: in expansion of macro 'if'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~
include/linux/err.h:23:29: note: in expansion of macro 'unlikely'
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^~~~~~~~
drivers/bcma/scan.c:361:18: note: in expansion of macro 'IS_ERR_VALUE_U32'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~~~~~~~~~~~~~~~
include/linux/err.h:23:52: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^
include/linux/compiler.h:151:30: note: in definition of macro '__trace_if'
if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
^~~~
>> drivers/bcma/scan.c:361:2: note: in expansion of macro 'if'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~
include/linux/err.h:23:29: note: in expansion of macro 'unlikely'
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^~~~~~~~
drivers/bcma/scan.c:361:18: note: in expansion of macro 'IS_ERR_VALUE_U32'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~~~~~~~~~~~~~~~
include/linux/err.h:23:38: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^
include/linux/compiler.h:151:30: note: in definition of macro '__trace_if'
if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
^~~~
>> drivers/bcma/scan.c:361:2: note: in expansion of macro 'if'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~
include/linux/err.h:23:29: note: in expansion of macro 'unlikely'
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^~~~~~~~
drivers/bcma/scan.c:361:18: note: in expansion of macro 'IS_ERR_VALUE_U32'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~~~~~~~~~~~~~~~
include/linux/err.h:23:52: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^
include/linux/compiler.h:151:30: note: in definition of macro '__trace_if'
if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
^~~~
>> drivers/bcma/scan.c:361:2: note: in expansion of macro 'if'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~
include/linux/compiler.h:127:14: note: in expansion of macro 'likely_notrace'
______r = likely_notrace(x); \
^~~~~~~~~~~~~~
include/linux/compiler.h:141:58: note: in expansion of macro '__branch_check__'
# define unlikely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 0))
^~~~~~~~~~~~~~~~
include/linux/err.h:23:29: note: in expansion of macro 'unlikely'
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^~~~~~~~
drivers/bcma/scan.c:361:18: note: in expansion of macro 'IS_ERR_VALUE_U32'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~~~~~~~~~~~~~~~
include/linux/err.h:23:38: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^
include/linux/compiler.h:151:30: note: in definition of macro '__trace_if'
if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
^~~~
>> drivers/bcma/scan.c:361:2: note: in expansion of macro 'if'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~
include/linux/compiler.h:127:14: note: in expansion of macro 'likely_notrace'
______r = likely_notrace(x); \
^~~~~~~~~~~~~~
include/linux/compiler.h:141:58: note: in expansion of macro '__branch_check__'
# define unlikely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 0))
^~~~~~~~~~~~~~~~
include/linux/err.h:23:29: note: in expansion of macro 'unlikely'
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^~~~~~~~
drivers/bcma/scan.c:361:18: note: in expansion of macro 'IS_ERR_VALUE_U32'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~~~~~~~~~~~~~~~
include/linux/err.h:23:52: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^
include/linux/compiler.h:151:42: note: in definition of macro '__trace_if'
if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
^~~~
>> drivers/bcma/scan.c:361:2: note: in expansion of macro 'if'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~
include/linux/err.h:23:29: note: in expansion of macro 'unlikely'
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^~~~~~~~
drivers/bcma/scan.c:361:18: note: in expansion of macro 'IS_ERR_VALUE_U32'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~~~~~~~~~~~~~~~
include/linux/err.h:23:38: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^
include/linux/compiler.h:151:42: note: in definition of macro '__trace_if'
if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
^~~~
>> drivers/bcma/scan.c:361:2: note: in expansion of macro 'if'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~
include/linux/err.h:23:29: note: in expansion of macro 'unlikely'
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^~~~~~~~
drivers/bcma/scan.c:361:18: note: in expansion of macro 'IS_ERR_VALUE_U32'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~~~~~~~~~~~~~~~
include/linux/err.h:23:52: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^
include/linux/compiler.h:151:42: note: in definition of macro '__trace_if'
if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
^~~~
>> drivers/bcma/scan.c:361:2: note: in expansion of macro 'if'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~
include/linux/err.h:23:29: note: in expansion of macro 'unlikely'
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^~~~~~~~
drivers/bcma/scan.c:361:18: note: in expansion of macro 'IS_ERR_VALUE_U32'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~~~~~~~~~~~~~~~
include/linux/err.h:23:38: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^
include/linux/compiler.h:151:42: note: in definition of macro '__trace_if'
if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
^~~~
>> drivers/bcma/scan.c:361:2: note: in expansion of macro 'if'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~
include/linux/err.h:23:29: note: in expansion of macro 'unlikely'
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^~~~~~~~
drivers/bcma/scan.c:361:18: note: in expansion of macro 'IS_ERR_VALUE_U32'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~~~~~~~~~~~~~~~
include/linux/err.h:23:52: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^
include/linux/compiler.h:151:42: note: in definition of macro '__trace_if'
if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
^~~~
>> drivers/bcma/scan.c:361:2: note: in expansion of macro 'if'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~
include/linux/compiler.h:127:14: note: in expansion of macro 'likely_notrace'
______r = likely_notrace(x); \
^~~~~~~~~~~~~~
include/linux/compiler.h:141:58: note: in expansion of macro '__branch_check__'
# define unlikely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 0))
^~~~~~~~~~~~~~~~
include/linux/err.h:23:29: note: in expansion of macro 'unlikely'
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^~~~~~~~
drivers/bcma/scan.c:361:18: note: in expansion of macro 'IS_ERR_VALUE_U32'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~~~~~~~~~~~~~~~
include/linux/err.h:23:38: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^
include/linux/compiler.h:151:42: note: in definition of macro '__trace_if'
if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
^~~~
>> drivers/bcma/scan.c:361:2: note: in expansion of macro 'if'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~
include/linux/compiler.h:127:14: note: in expansion of macro 'likely_notrace'
______r = likely_notrace(x); \
^~~~~~~~~~~~~~
include/linux/compiler.h:141:58: note: in expansion of macro '__branch_check__'
# define unlikely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 0))
^~~~~~~~~~~~~~~~
include/linux/err.h:23:29: note: in expansion of macro 'unlikely'
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^~~~~~~~
drivers/bcma/scan.c:361:18: note: in expansion of macro 'IS_ERR_VALUE_U32'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~~~~~~~~~~~~~~~
include/linux/err.h:23:52: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^
include/linux/compiler.h:162:16: note: in definition of macro '__trace_if'
______r = !!(cond); \
^~~~
>> drivers/bcma/scan.c:361:2: note: in expansion of macro 'if'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~
include/linux/err.h:23:29: note: in expansion of macro 'unlikely'
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^~~~~~~~
drivers/bcma/scan.c:361:18: note: in expansion of macro 'IS_ERR_VALUE_U32'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~~~~~~~~~~~~~~~
include/linux/err.h:23:38: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^
include/linux/compiler.h:162:16: note: in definition of macro '__trace_if'
______r = !!(cond); \
^~~~
>> drivers/bcma/scan.c:361:2: note: in expansion of macro 'if'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~
include/linux/err.h:23:29: note: in expansion of macro 'unlikely'
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^~~~~~~~
drivers/bcma/scan.c:361:18: note: in expansion of macro 'IS_ERR_VALUE_U32'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~~~~~~~~~~~~~~~
include/linux/err.h:23:52: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^
include/linux/compiler.h:162:16: note: in definition of macro '__trace_if'
______r = !!(cond); \
^~~~
>> drivers/bcma/scan.c:361:2: note: in expansion of macro 'if'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~
include/linux/err.h:23:29: note: in expansion of macro 'unlikely'
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^~~~~~~~
drivers/bcma/scan.c:361:18: note: in expansion of macro 'IS_ERR_VALUE_U32'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~~~~~~~~~~~~~~~
include/linux/err.h:23:38: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^
include/linux/compiler.h:162:16: note: in definition of macro '__trace_if'
______r = !!(cond); \
^~~~
>> drivers/bcma/scan.c:361:2: note: in expansion of macro 'if'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~
include/linux/err.h:23:29: note: in expansion of macro 'unlikely'
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^~~~~~~~
drivers/bcma/scan.c:361:18: note: in expansion of macro 'IS_ERR_VALUE_U32'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~~~~~~~~~~~~~~~
include/linux/err.h:23:52: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^
include/linux/compiler.h:162:16: note: in definition of macro '__trace_if'
______r = !!(cond); \
^~~~
>> drivers/bcma/scan.c:361:2: note: in expansion of macro 'if'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~
include/linux/compiler.h:127:14: note: in expansion of macro 'likely_notrace'
______r = likely_notrace(x); \
^~~~~~~~~~~~~~
include/linux/compiler.h:141:58: note: in expansion of macro '__branch_check__'
# define unlikely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 0))
^~~~~~~~~~~~~~~~
include/linux/err.h:23:29: note: in expansion of macro 'unlikely'
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^~~~~~~~
drivers/bcma/scan.c:361:18: note: in expansion of macro 'IS_ERR_VALUE_U32'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~~~~~~~~~~~~~~~
include/linux/err.h:23:38: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^
include/linux/compiler.h:162:16: note: in definition of macro '__trace_if'
______r = !!(cond); \
^~~~
>> drivers/bcma/scan.c:361:2: note: in expansion of macro 'if'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~
include/linux/compiler.h:127:14: note: in expansion of macro 'likely_notrace'
______r = likely_notrace(x); \
^~~~~~~~~~~~~~
include/linux/compiler.h:141:58: note: in expansion of macro '__branch_check__'
# define unlikely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 0))
^~~~~~~~~~~~~~~~
include/linux/err.h:23:29: note: in expansion of macro 'unlikely'
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^~~~~~~~
drivers/bcma/scan.c:361:18: note: in expansion of macro 'IS_ERR_VALUE_U32'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~~~~~~~~~~~~~~~
include/linux/err.h:23:52: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^
include/linux/compiler.h:151:30: note: in definition of macro '__trace_if'
if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
^~~~
drivers/bcma/scan.c:365:3: note: in expansion of macro 'if'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~
include/linux/err.h:23:29: note: in expansion of macro 'unlikely'
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^~~~~~~~
drivers/bcma/scan.c:365:19: note: in expansion of macro 'IS_ERR_VALUE_U32'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~~~~~~~~~~~~~~~
include/linux/err.h:23:38: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^
include/linux/compiler.h:151:30: note: in definition of macro '__trace_if'
if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
^~~~
drivers/bcma/scan.c:365:3: note: in expansion of macro 'if'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~
include/linux/err.h:23:29: note: in expansion of macro 'unlikely'
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^~~~~~~~
drivers/bcma/scan.c:365:19: note: in expansion of macro 'IS_ERR_VALUE_U32'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~~~~~~~~~~~~~~~
include/linux/err.h:23:52: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^
include/linux/compiler.h:151:30: note: in definition of macro '__trace_if'
if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
^~~~
drivers/bcma/scan.c:365:3: note: in expansion of macro 'if'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~
include/linux/err.h:23:29: note: in expansion of macro 'unlikely'
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^~~~~~~~
drivers/bcma/scan.c:365:19: note: in expansion of macro 'IS_ERR_VALUE_U32'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~~~~~~~~~~~~~~~
include/linux/err.h:23:38: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^
include/linux/compiler.h:151:30: note: in definition of macro '__trace_if'
if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
^~~~
drivers/bcma/scan.c:365:3: note: in expansion of macro 'if'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~
include/linux/err.h:23:29: note: in expansion of macro 'unlikely'
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^~~~~~~~
drivers/bcma/scan.c:365:19: note: in expansion of macro 'IS_ERR_VALUE_U32'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~~~~~~~~~~~~~~~
include/linux/err.h:23:52: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^
include/linux/compiler.h:151:30: note: in definition of macro '__trace_if'
if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
^~~~
drivers/bcma/scan.c:365:3: note: in expansion of macro 'if'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~
include/linux/compiler.h:127:14: note: in expansion of macro 'likely_notrace'
______r = likely_notrace(x); \
^~~~~~~~~~~~~~
include/linux/compiler.h:141:58: note: in expansion of macro '__branch_check__'
# define unlikely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 0))
^~~~~~~~~~~~~~~~
include/linux/err.h:23:29: note: in expansion of macro 'unlikely'
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^~~~~~~~
drivers/bcma/scan.c:365:19: note: in expansion of macro 'IS_ERR_VALUE_U32'
if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
^~~~~~~~~~~~~~~~
include/linux/err.h:23:38: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
#define IS_ERR_VALUE_U32(x) unlikely((unsigned int)(void *)(x) >= (unsigned int)-MAX_ERRNO)
^
include/linux/compiler.h:151:30: note: in definition of macro '__trace_if'
if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
vim +/if +361 drivers/bcma/scan.c
517f43e5 Hauke Mehrtens 2011-07-23 345 )) {
517f43e5 Hauke Mehrtens 2011-07-23 346 bcma_erom_skip_component(bus, eromptr);
517f43e5 Hauke Mehrtens 2011-07-23 347 return -ENODEV;
517f43e5 Hauke Mehrtens 2011-07-23 348 }
517f43e5 Hauke Mehrtens 2011-07-23 349
8369ae33 Rafał Miłecki 2011-05-09 350 /* get & parse master ports */
8369ae33 Rafał Miłecki 2011-05-09 351 for (i = 0; i < ports[0]; i++) {
4e0d8cc1 Dan Carpenter 2011-08-23 352 s32 mst_port_d = bcma_erom_get_mst_port(bus, eromptr);
982eee67 Hauke Mehrtens 2011-07-23 353 if (mst_port_d < 0)
982eee67 Hauke Mehrtens 2011-07-23 354 return -EILSEQ;
8369ae33 Rafał Miłecki 2011-05-09 355 }
8369ae33 Rafał Miłecki 2011-05-09 356
e167d9fb Hauke Mehrtens 2012-03-15 357 /* First Slave Address Descriptor should be port 0:
e167d9fb Hauke Mehrtens 2012-03-15 358 * the main register space for the core
e167d9fb Hauke Mehrtens 2012-03-15 359 */
e167d9fb Hauke Mehrtens 2012-03-15 360 tmp = bcma_erom_get_addr_desc(bus, eromptr, SCAN_ADDR_TYPE_SLAVE, 0);
aaa2ced1 Hauke Mehrtens 2013-09-07 @361 if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
e167d9fb Hauke Mehrtens 2012-03-15 362 /* Try again to see if it is a bridge */
e167d9fb Hauke Mehrtens 2012-03-15 363 tmp = bcma_erom_get_addr_desc(bus, eromptr,
e167d9fb Hauke Mehrtens 2012-03-15 364 SCAN_ADDR_TYPE_BRIDGE, 0);
aaa2ced1 Hauke Mehrtens 2013-09-07 365 if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
e167d9fb Hauke Mehrtens 2012-03-15 366 return -EILSEQ;
e167d9fb Hauke Mehrtens 2012-03-15 367 } else {
3d9d8af3 Rafał Miłecki 2012-07-05 368 bcma_info(bus, "Bridge found\n");
e167d9fb Hauke Mehrtens 2012-03-15 369 return -ENXIO;
:::::: The code at line 361 was first introduced by commit
:::::: aaa2ced15ad8dca8048666c9f70736424d696a6b bcma: fix error code handling on 64 Bit systems
:::::: TO: Hauke Mehrtens <hauke@hauke-m.de>
:::::: CC: John W. Linville <linville@tuxdriver.com>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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prev parent reply other threads:[~2016-07-09 18:23 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-09 15:51 Arvind Yadav
2016-07-09 16:38 ` kbuild test robot
2016-07-09 17:05 ` arvind Yadav
2016-07-09 18:23 ` kbuild test robot [this message]
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