CC: [email protected]
CC: [email protected]
CC: [email protected]
TO: Kees Cook <[email protected]>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 
master
head:   75acfdb6fd922598a408a0d864486aeb167c1a97
commit: a52f8a59aef46b59753e583bf4b28fccb069ce64 fortify: Explicitly disable 
Clang support
date:   3 months ago
:::::: branch date: 13 hours ago
:::::: commit date: 3 months ago
config: x86_64-randconfig-c007-20220105 
(https://download.01.org/0day-ci/archive/20220106/[email protected]/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 
d5b6e30ed3acad794dd0aec400e617daffc6cc3d)
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/torvalds/linux.git/commit/?id=a52f8a59aef46b59753e583bf4b28fccb069ce64
        git remote add linus 
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout a52f8a59aef46b59753e583bf4b28fccb069ce64
        # save the config file to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 
clang-analyzer 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <[email protected]>


clang-analyzer warnings: (new ones prefixed by >>)
                                                      ^~~~
   kernel/irq/affinity.c:230:3: note: '?' condition is false
                   if (node_vectors[n].ncpus == UINT_MAX)
                   ^
   include/linux/compiler.h:56:28: note: expanded from macro 'if'
   #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
                              ^
   include/linux/compiler.h:58:31: note: expanded from macro '__trace_if_var'
   #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : 
__trace_if_value(cond))
                                 ^
   kernel/irq/affinity.c:230:3: note: '?' condition is false
                   if (node_vectors[n].ncpus == UINT_MAX)
                   ^
   include/linux/compiler.h:56:28: note: expanded from macro 'if'
   #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
                              ^
   include/linux/compiler.h:58:69: note: expanded from macro '__trace_if_var'
   #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : 
__trace_if_value(cond))
                                                                       ^
   include/linux/compiler.h:69:2: note: expanded from macro '__trace_if_value'
           (cond) ?                                        \
           ^
   kernel/irq/affinity.c:230:3: note: Taking false branch
                   if (node_vectors[n].ncpus == UINT_MAX)
                   ^
   include/linux/compiler.h:56:23: note: expanded from macro 'if'
   #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
                         ^
   kernel/irq/affinity.c:233:3: note: '?' condition is false
                   WARN_ON_ONCE(numvecs == 0);
                   ^
   include/asm-generic/bug.h:105:2: note: expanded from macro 'WARN_ON_ONCE'
           if (unlikely(__ret_warn_on))                            \
           ^
   include/linux/compiler.h:56:28: note: expanded from macro 'if'
   #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
                              ^
   include/linux/compiler.h:58:31: note: expanded from macro '__trace_if_var'
   #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : 
__trace_if_value(cond))
                                 ^
   kernel/irq/affinity.c:233:3: note: '?' condition is true
                   WARN_ON_ONCE(numvecs == 0);
                   ^
   include/asm-generic/bug.h:105:2: note: expanded from macro 'WARN_ON_ONCE'
           if (unlikely(__ret_warn_on))                            \
           ^
   include/linux/compiler.h:56:28: note: expanded from macro 'if'
   #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
                              ^
   include/linux/compiler.h:58:69: note: expanded from macro '__trace_if_var'
   #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : 
__trace_if_value(cond))
                                                                       ^
   include/linux/compiler.h:69:2: note: expanded from macro '__trace_if_value'
           (cond) ?                                        \
           ^
   kernel/irq/affinity.c:233:3: note: Taking true branch
                   WARN_ON_ONCE(numvecs == 0);
                   ^
   include/asm-generic/bug.h:105:2: note: expanded from macro 'WARN_ON_ONCE'
           if (unlikely(__ret_warn_on))                            \
           ^
   include/linux/compiler.h:56:23: note: expanded from macro 'if'
   #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
                         ^
   kernel/irq/affinity.c:233:3: note: Loop condition is false.  Exiting loop
                   WARN_ON_ONCE(numvecs == 0);
                   ^
   include/asm-generic/bug.h:106:3: note: expanded from macro 'WARN_ON_ONCE'
                   __WARN_FLAGS(BUGFLAG_ONCE |                     \
                   ^
   arch/x86/include/asm/bug.h:79:2: note: expanded from macro '__WARN_FLAGS'
           _BUG_FLAGS(ASM_UD2, BUGFLAG_WARNING|(flags));           \
           ^
   arch/x86/include/asm/bug.h:25:37: note: expanded from macro '_BUG_FLAGS'
   #define _BUG_FLAGS(ins, flags)                                          \
                                                                           ^
   kernel/irq/affinity.c:233:3: note: Loop condition is false.  Exiting loop
                   WARN_ON_ONCE(numvecs == 0);
                   ^
   include/asm-generic/bug.h:106:3: note: expanded from macro 'WARN_ON_ONCE'
                   __WARN_FLAGS(BUGFLAG_ONCE |                     \
                   ^
   arch/x86/include/asm/bug.h:76:33: note: expanded from macro '__WARN_FLAGS'
   #define __WARN_FLAGS(flags)                                     \
                                                                   ^
   kernel/irq/affinity.c:237:22: note: Division by zero
                                    numvecs * ncpus / remaining_ncpus);
                                                    ^
   include/linux/minmax.h:112:59: note: expanded from macro 'max_t'
   #define max_t(type, x, y)       __careful_cmp((type)(x), (type)(y), >)
                                                                   ^
   include/linux/minmax.h:38:17: note: expanded from macro '__careful_cmp'
                   __cmp_once(x, y, __UNIQUE_ID(__x), __UNIQUE_ID(__y), op))
                                 ^
   include/linux/minmax.h:32:25: note: expanded from macro '__cmp_once'
                   typeof(y) unique_y = (y);               \
                                         ^
   Suppressed 2 warnings (2 in non-user code).
   Use -header-filter=.* to display errors from all non-system headers. Use 
-system-headers to display errors from system headers as well.
   12 warnings generated.
>> fs/ocfs2/dir.c:211:41: warning: Assigned value is garbage or undefined 
>> [clang-analyzer-core.uninitialized.Assign]
           __u32   a = in[0], b = in[1], c = in[2], d = in[3];
                                                    ^
   fs/ocfs2/dir.c:4247:6: note: Assuming 'namelen' is not equal to 0
           if (!namelen) {
               ^
   include/linux/compiler.h:56:47: note: expanded from macro 'if'
   #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
                                                 ^~~~
   include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var'
   #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : 
__trace_if_value(cond))
                                                      ^~~~
   fs/ocfs2/dir.c:4247:2: note: '?' condition is false
           if (!namelen) {
           ^
   include/linux/compiler.h:56:28: note: expanded from macro 'if'
   #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
                              ^
   include/linux/compiler.h:58:31: note: expanded from macro '__trace_if_var'
   #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : 
__trace_if_value(cond))
                                 ^
   fs/ocfs2/dir.c:4247:7: note: 'namelen' is not equal to 0
           if (!namelen) {
                ^
   include/linux/compiler.h:56:47: note: expanded from macro 'if'
   #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
                                                 ^~~~
   include/linux/compiler.h:58:86: note: expanded from macro '__trace_if_var'
   #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : 
__trace_if_value(cond))
                                                                                
        ^~~~
   include/linux/compiler.h:69:3: note: expanded from macro '__trace_if_value'
           (cond) ?                                        \
            ^~~~
   fs/ocfs2/dir.c:4247:2: note: '?' condition is false
           if (!namelen) {
           ^
   include/linux/compiler.h:56:28: note: expanded from macro 'if'
   #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
                              ^
   include/linux/compiler.h:58:69: note: expanded from macro '__trace_if_var'
   #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : 
__trace_if_value(cond))
                                                                       ^
   include/linux/compiler.h:69:2: note: expanded from macro '__trace_if_value'
           (cond) ?                                        \
           ^
   fs/ocfs2/dir.c:4247:2: note: Taking false branch
           if (!namelen) {
           ^
   include/linux/compiler.h:56:23: note: expanded from macro 'if'
   #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
                         ^
   fs/ocfs2/dir.c:4264:2: note: '?' condition is false
           if (ocfs2_supports_indexed_dirs(osb))
           ^
   include/linux/compiler.h:56:28: note: expanded from macro 'if'
   #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
                              ^
   include/linux/compiler.h:58:31: note: expanded from macro '__trace_if_var'
   #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : 
__trace_if_value(cond))
                                 ^
   fs/ocfs2/dir.c:4264:2: note: '?' condition is true
           if (ocfs2_supports_indexed_dirs(osb))
           ^
   include/linux/compiler.h:56:28: note: expanded from macro 'if'
   #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
                              ^
   include/linux/compiler.h:58:69: note: expanded from macro '__trace_if_var'
   #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : 
__trace_if_value(cond))
                                                                       ^
   include/linux/compiler.h:69:2: note: expanded from macro '__trace_if_value'
           (cond) ?                                        \
           ^
   fs/ocfs2/dir.c:4264:2: note: Taking true branch
           if (ocfs2_supports_indexed_dirs(osb))
           ^
   include/linux/compiler.h:56:23: note: expanded from macro 'if'
   #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
                         ^
   fs/ocfs2/dir.c:4265:3: note: Calling 'ocfs2_dx_dir_name_hash'
                   ocfs2_dx_dir_name_hash(dir, name, namelen, 
&lookup->dl_hinfo);
                   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   fs/ocfs2/dir.c:262:7: note: Assuming 'len' is not equal to 1
           if ((len == 1 && !strncmp(".", name, 1)) ||
                ^
   include/linux/compiler.h:56:47: note: expanded from macro 'if'
   #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
                                                 ^~~~
   include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var'
   #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : 
__trace_if_value(cond))
                                                      ^~~~
   fs/ocfs2/dir.c:262:16: note: Left side of '&&' is false
           if ((len == 1 && !strncmp(".", name, 1)) ||
                         ^
   fs/ocfs2/dir.c:263:7: note: Assuming 'len' is not equal to 2
               (len == 2 && !strncmp("..", name, 2))) {
                ^
   include/linux/compiler.h:56:47: note: expanded from macro 'if'
   #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
                                                 ^~~~
   include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var'
   #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : 
__trace_if_value(cond))
--
           list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
           ^
   include/linux/list.h:628:13: note: expanded from macro 'list_for_each_entry'
           for (pos = list_first_entry(head, typeof(*pos), member);        \
                      ^
   include/linux/list.h:522:2: note: expanded from macro 'list_first_entry'
           list_entry((ptr)->next, type, member)
           ^
   include/linux/list.h:511:2: note: expanded from macro 'list_entry'
           container_of(ptr, type, member)
           ^
   include/linux/kernel.h:495:61: note: expanded from macro 'container_of'
           BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) &&   \
                                                                      ^
   net/wireless/nl80211.c:2879:2: note: Taking false branch
           list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
           ^
   include/linux/list.h:628:13: note: expanded from macro 'list_for_each_entry'
           for (pos = list_first_entry(head, typeof(*pos), member);        \
                      ^
   include/linux/list.h:522:2: note: expanded from macro 'list_first_entry'
           list_entry((ptr)->next, type, member)
           ^
   include/linux/list.h:511:2: note: expanded from macro 'list_entry'
           container_of(ptr, type, member)
           ^
   note: (skipping 3 expansions in backtrace; use -fmacro-backtrace-limit=0 to 
see all)
   include/linux/compiler_types.h:305:2: note: expanded from macro 
'_compiletime_assert'
           __compiletime_assert(condition, msg, prefix, suffix)
           ^
   include/linux/compiler_types.h:297:3: note: expanded from macro 
'__compiletime_assert'
                   if (!(condition))                                       \
                   ^
   include/linux/compiler.h:56:23: note: expanded from macro 'if'
   #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
                         ^
   net/wireless/nl80211.c:2879:2: note: Loop condition is false.  Exiting loop
           list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
           ^
   include/linux/list.h:628:13: note: expanded from macro 'list_for_each_entry'
           for (pos = list_first_entry(head, typeof(*pos), member);        \
                      ^
   include/linux/list.h:522:2: note: expanded from macro 'list_first_entry'
           list_entry((ptr)->next, type, member)
           ^
   include/linux/list.h:511:2: note: expanded from macro 'list_entry'
           container_of(ptr, type, member)
           ^
   note: (skipping 2 expansions in backtrace; use -fmacro-backtrace-limit=0 to 
see all)
   include/linux/compiler_types.h:317:2: note: expanded from macro 
'compiletime_assert'
           _compiletime_assert(condition, msg, __compiletime_assert_, 
__COUNTER__)
           ^
   include/linux/compiler_types.h:305:2: note: expanded from macro 
'_compiletime_assert'
           __compiletime_assert(condition, msg, prefix, suffix)
           ^
   include/linux/compiler_types.h:295:2: note: expanded from macro 
'__compiletime_assert'
           do {                                                            \
           ^
   net/wireless/nl80211.c:2879:2: note: Loop condition is true.  Entering loop 
body
           list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
           ^
   include/linux/list.h:628:2: note: expanded from macro 'list_for_each_entry'
           for (pos = list_first_entry(head, typeof(*pos), member);        \
           ^
   net/wireless/nl80211.c:2880:3: note: '?' condition is false
                   if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
                   ^
   include/linux/compiler.h:56:28: note: expanded from macro 'if'
   #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
                              ^
   include/linux/compiler.h:58:31: note: expanded from macro '__trace_if_var'
   #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : 
__trace_if_value(cond))
                                 ^
   net/wireless/nl80211.c:2880:3: note: '?' condition is false
                   if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
                   ^
   include/linux/compiler.h:56:28: note: expanded from macro 'if'
   #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
                              ^
   include/linux/compiler.h:58:69: note: expanded from macro '__trace_if_var'
   #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : 
__trace_if_value(cond))
                                                                       ^
   include/linux/compiler.h:69:2: note: expanded from macro '__trace_if_value'
           (cond) ?                                        \
           ^
   net/wireless/nl80211.c:2880:3: note: Taking false branch
                   if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
                   ^
   include/linux/compiler.h:56:23: note: expanded from macro 'if'
   #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
                         ^
   net/wireless/nl80211.c:2882:13: note: The right operand of '<=' is a garbage 
value
                   if (++idx <= state->start)
                             ^
   include/linux/compiler.h:56:47: note: expanded from macro 'if'
   #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
                                                 ^~~~
   include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var'
   #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : 
__trace_if_value(cond))
                                                      ^~~~
>> net/wireless/nl80211.c:8015:2: warning: Potential leak of memory pointed to 
>> by 'rd' [clang-analyzer-unix.Malloc]
           kfree(rd);
           ^
   net/wireless/nl80211.c:7951:6: note: Assuming the condition is false
           if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
               ^
   include/linux/compiler.h:56:47: note: expanded from macro 'if'
   #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
                                                 ^~~~
   include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var'
   #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : 
__trace_if_value(cond))
                                                      ^~~~
   net/wireless/nl80211.c:7951:2: note: '?' condition is false
           if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
           ^
   include/linux/compiler.h:56:28: note: expanded from macro 'if'
   #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
                              ^
   include/linux/compiler.h:58:31: note: expanded from macro '__trace_if_var'
   #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : 
__trace_if_value(cond))
                                 ^
   net/wireless/nl80211.c:7951:2: note: '?' condition is false
           if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
           ^
   include/linux/compiler.h:56:28: note: expanded from macro 'if'
   #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
                              ^
   include/linux/compiler.h:58:69: note: expanded from macro '__trace_if_var'
   #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : 
__trace_if_value(cond))
                                                                       ^
   include/linux/compiler.h:69:2: note: expanded from macro '__trace_if_value'
           (cond) ?                                        \
           ^
   net/wireless/nl80211.c:7951:2: note: Taking false branch
           if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
           ^
   include/linux/compiler.h:56:23: note: expanded from macro 'if'
   #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
                         ^
   net/wireless/nl80211.c:7954:6: note: Assuming the condition is false
           if (!info->attrs[NL80211_ATTR_REG_RULES])
               ^
   include/linux/compiler.h:56:47: note: expanded from macro 'if'
   #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
                                                 ^~~~
   include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var'
   #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : 
__trace_if_value(cond))
                                                      ^~~~
   net/wireless/nl80211.c:7954:2: note: '?' condition is false
           if (!info->attrs[NL80211_ATTR_REG_RULES])
           ^
   include/linux/compiler.h:56:28: note: expanded from macro 'if'
   #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
                              ^
   include/linux/compiler.h:58:31: note: expanded from macro '__trace_if_var'
   #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : 
__trace_if_value(cond))
                                 ^
   net/wireless/nl80211.c:7954:2: note: '?' condition is false
           if (!info->attrs[NL80211_ATTR_REG_RULES])
           ^
   include/linux/compiler.h:56:28: note: expanded from macro 'if'
   #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
                              ^
   include/linux/compiler.h:58:69: note: expanded from macro '__trace_if_var'
   #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : 
__trace_if_value(cond))
                                                                       ^
   include/linux/compiler.h:69:2: note: expanded from macro '__trace_if_value'
           (cond) ?                                        \
           ^
   net/wireless/nl80211.c:7954:2: note: Taking false branch
           if (!info->attrs[NL80211_ATTR_REG_RULES])
           ^
   include/linux/compiler.h:56:23: note: expanded from macro 'if'
   #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
                         ^
   net/wireless/nl80211.c:7959:2: note: Assuming the condition is true
           if (info->attrs[NL80211_ATTR_DFS_REGION])
           ^
   include/linux/compiler.h:56:45: note: expanded from macro 'if'
   #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
                              ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var'
   #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : 
__trace_if_value(cond))
                                                      ^~~~
   net/wireless/nl80211.c:7959:2: note: '?' condition is false
           if (info->attrs[NL80211_ATTR_DFS_REGION])
           ^
   include/linux/compiler.h:56:28: note: expanded from macro 'if'
   #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
                              ^
   include/linux/compiler.h:58:31: note: expanded from macro '__trace_if_var'
   #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : 
__trace_if_value(cond))
                                 ^
   net/wireless/nl80211.c:7959:2: note: '?' condition is false
           if (info->attrs[NL80211_ATTR_DFS_REGION])
           ^
   include/linux/compiler.h:56:28: note: expanded from macro 'if'
   #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
                              ^
   include/linux/compiler.h:58:69: note: expanded from macro '__trace_if_var'
   #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : 
__trace_if_value(cond))

vim +211 fs/ocfs2/dir.c

9b7895efac906d Mark Fasheh 2008-11-12  206  
9b7895efac906d Mark Fasheh 2008-11-12  207  static void TEA_transform(__u32 
buf[4], __u32 const in[])
9b7895efac906d Mark Fasheh 2008-11-12  208  {
9b7895efac906d Mark Fasheh 2008-11-12  209      __u32   sum = 0;
9b7895efac906d Mark Fasheh 2008-11-12  210      __u32   b0 = buf[0], b1 = 
buf[1];
9b7895efac906d Mark Fasheh 2008-11-12 @211      __u32   a = in[0], b = in[1], c 
= in[2], d = in[3];
9b7895efac906d Mark Fasheh 2008-11-12  212      int     n = 16;
9b7895efac906d Mark Fasheh 2008-11-12  213  
9b7895efac906d Mark Fasheh 2008-11-12  214      do {
9b7895efac906d Mark Fasheh 2008-11-12  215              sum += DELTA;
9b7895efac906d Mark Fasheh 2008-11-12  216              b0 += ((b1 << 4)+a) ^ 
(b1+sum) ^ ((b1 >> 5)+b);
9b7895efac906d Mark Fasheh 2008-11-12  217              b1 += ((b0 << 4)+c) ^ 
(b0+sum) ^ ((b0 >> 5)+d);
9b7895efac906d Mark Fasheh 2008-11-12  218      } while (--n);
9b7895efac906d Mark Fasheh 2008-11-12  219  
9b7895efac906d Mark Fasheh 2008-11-12  220      buf[0] += b0;
9b7895efac906d Mark Fasheh 2008-11-12  221      buf[1] += b1;
9b7895efac906d Mark Fasheh 2008-11-12  222  }
9b7895efac906d Mark Fasheh 2008-11-12  223  

:::::: The code at line 211 was first introduced by commit
:::::: 9b7895efac906d66d19856194e1ba61f37e231a4 ocfs2: Add a name indexed 
b-tree to directory inodes

:::::: TO: Mark Fasheh <[email protected]>
:::::: CC: Mark Fasheh <[email protected]>

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