:::::: 
:::::: Manual check reason: "low confidence static check warning: 
lib/dynamic_debug.c:203:8: warning: Branch condition evaluates to a garbage 
value [clang-analyzer-core.uninitialized.Branch]"
:::::: 

CC: [email protected]
BCC: [email protected]
TO: Jim Cromie <[email protected]>

tree:   https://github.com/jimc/linux.git dyndbg-next
head:   519000e6161f69c599038a4be3de19489a8caef6
commit: 519000e6161f69c599038a4be3de19489a8caef6 [16/16] dyndbg: nouveau's got 
like levels man
:::::: branch date: 4 days ago
:::::: commit date: 4 days ago
config: x86_64-randconfig-c007-20220530 
(https://download.01.org/0day-ci/archive/20220601/[email protected]/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 
0776c48f9b7e69fa447bee57c7c0985caa856be9)
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://github.com/jimc/linux/commit/519000e6161f69c599038a4be3de19489a8caef6
        git remote add jimc https://github.com/jimc/linux.git
        git fetch --no-tags jimc dyndbg-next
        git checkout 519000e6161f69c599038a4be3de19489a8caef6
        # save the config file
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 
clang-analyzer 

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


clang-analyzer warnings: (new ones prefixed by >>)
                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   fs/io_uring.c:10075:2: note: Loop condition is false.  Exiting loop
           do {
           ^
   fs/io_uring.c:10107:2: note: Loop condition is false. Execution continues on 
line 10122
           while (!list_empty(&ctx->tctx_list)) {
           ^
   fs/io_uring.c:10126:2: note: Calling 'io_ring_ctx_free'
           io_ring_ctx_free(ctx);
           ^~~~~~~~~~~~~~~~~~~~~
   fs/io_uring.c:9929:6: note: Assuming field 'mm_account' is null
           if (ctx->mm_account) {
               ^~~~~~~~~~~~~~~
   fs/io_uring.c:9929:2: note: Taking false branch
           if (ctx->mm_account) {
           ^
   fs/io_uring.c:9940:6: note: Assuming field 'buf_data' is null
           if (ctx->buf_data)
               ^~~~~~~~~~~~~
   fs/io_uring.c:9940:2: note: Taking false branch
           if (ctx->buf_data)
           ^
   fs/io_uring.c:9942:6: note: Assuming field 'file_data' is null
           if (ctx->file_data)
               ^~~~~~~~~~~~~~
   fs/io_uring.c:9942:2: note: Taking false branch
           if (ctx->file_data)
           ^
   fs/io_uring.c:9944:6: note: Assuming field 'rings' is null
           if (ctx->rings)
               ^~~~~~~~~~
   fs/io_uring.c:9944:2: note: Taking false branch
           if (ctx->rings)
           ^
   fs/io_uring.c:9947:2: note: Calling 'io_flush_apoll_cache'
           io_flush_apoll_cache(ctx);
           ^~~~~~~~~~~~~~~~~~~~~~~~~
   fs/io_uring.c:9917:2: note: Loop condition is true.  Entering loop body
           while (!list_empty(&ctx->apoll_cache)) {
           ^
   fs/io_uring.c:9921:3: note: Memory is released
                   kfree(apoll);
                   ^~~~~~~~~~~~
   fs/io_uring.c:9917:2: note: Loop condition is true.  Entering loop body
           while (!list_empty(&ctx->apoll_cache)) {
           ^
   fs/io_uring.c:9920:3: note: Calling 'list_del'
                   list_del(&apoll->poll.wait.entry);
                   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/list.h:148:2: note: Calling '__list_del_entry'
           __list_del_entry(entry);
           ^~~~~~~~~~~~~~~~~~~~~~~
   include/linux/list.h:134:2: note: Taking false branch
           if (!__list_del_entry_valid(entry))
           ^
   include/linux/list.h:137:13: note: Use of memory after it is freed
           __list_del(entry->prev, entry->next);
                      ^~~~~~~~~~~
   Suppressed 16 warnings (16 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.
   7 warnings generated.
   Suppressed 7 warnings (7 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.
   7 warnings generated.
   Suppressed 7 warnings (7 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.
   7 warnings generated.
   Suppressed 7 warnings (7 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.
   7 warnings generated.
   Suppressed 7 warnings (7 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.
   7 warnings generated.
   Suppressed 7 warnings (7 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.
   7 warnings generated.
   Suppressed 7 warnings (7 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.
   7 warnings generated.
   Suppressed 7 warnings (7 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.
   7 warnings generated.
   Suppressed 7 warnings (7 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.
   7 warnings generated.
   Suppressed 7 warnings (7 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.
   7 warnings generated.
   Suppressed 7 warnings (7 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.
   7 warnings generated.
   Suppressed 7 warnings (7 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.
   5 warnings generated.
   Suppressed 5 warnings (5 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.
   5 warnings generated.
   Suppressed 5 warnings (5 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.
   22 warnings generated.
>> lib/dynamic_debug.c:203:8: warning: Branch condition evaluates to a garbage 
>> value [clang-analyzer-core.uninitialized.Branch]
                           if (!map) {
                               ^~~~
   lib/dynamic_debug.c:182:2: note: 'map' declared without an initial value
           struct ddebug_known_classes_map *map;
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   lib/dynamic_debug.c:187:2: note: Loop condition is true.  Entering loop body
           list_for_each_entry(dt, &ddebug_tables, link) {
           ^
   include/linux/list.h:638:2: note: expanded from macro 'list_for_each_entry'
           for (pos = list_first_entry(head, typeof(*pos), member);        \
           ^
   lib/dynamic_debug.c:190:7: note: Assuming field 'module' is null
                   if (query->module &&
                       ^~~~~~~~~~~~~
   lib/dynamic_debug.c:190:21: note: Left side of '&&' is false
                   if (query->module &&
                                     ^
   lib/dynamic_debug.c:195:17: note: Calling 'ddebug_validate_classname'
                   query_class = ddebug_validate_classname(dt, 
query->class_string, &map);
                                 
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   lib/dynamic_debug.c:154:6: note: Assuming 'class_string' is null
           if (!class_string)
               ^~~~~~~~~~~~~
   lib/dynamic_debug.c:154:2: note: Taking true branch
           if (!class_string)
           ^
   lib/dynamic_debug.c:155:3: note: Returning without writing to '*mapout'
                   return _DPRINTK_CLASS_DFLT;
                   ^
   lib/dynamic_debug.c:195:17: note: Returning from 'ddebug_validate_classname'
                   query_class = ddebug_validate_classname(dt, 
query->class_string, &map);
                                 
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   lib/dynamic_debug.c:196:7: note: 'query_class' is >= 0
                   if (query_class < 0)
                       ^~~~~~~~~~~
   lib/dynamic_debug.c:196:3: note: Taking false branch
                   if (query_class < 0)
                   ^
   lib/dynamic_debug.c:199:15: note: Assuming 'i' is < field 'num_ddebugs'
                   for (i = 0; i < dt->num_ddebugs; i++) {
                               ^~~~~~~~~~~~~~~~~~~
   lib/dynamic_debug.c:199:3: note: Loop condition is true.  Entering loop body
                   for (i = 0; i < dt->num_ddebugs; i++) {
                   ^
   lib/dynamic_debug.c:203:8: note: Branch condition evaluates to a garbage 
value
                           if (!map) {
                               ^~~~
   lib/dynamic_debug.c:624:2: warning: Call to function 'snprintf' is insecure 
as it does not provide security checks introduced in the C11 standard. Replace 
with analogous functions that support length arguments or provides boundary 
checks such as 'snprintf_s' in case of C11 
[clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling]
           snprintf(query, QUERY_SIZE, "class %s %c%s", 
dcp->map->classes[bitpos],
           ^~~~~~~~
   lib/dynamic_debug.c:624:2: note: Call to function 'snprintf' is insecure as 
it does not provide security checks introduced in the C11 standard. Replace 
with analogous functions that support length arguments or provides boundary 
checks such as 'snprintf_s' in case of C11
           snprintf(query, QUERY_SIZE, "class %s %c%s", 
dcp->map->classes[bitpos],
           ^~~~~~~~
   lib/dynamic_debug.c:769:11: warning: Call to function 'snprintf' is insecure 
as it does not provide security checks introduced in the C11 standard. Replace 
with analogous functions that support length arguments or provides boundary 
checks such as 'snprintf_s' in case of C11 
[clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling]
                           pos += snprintf(buf + pos, remaining(pos), "<intr> 
");
                                  ^~~~~~~~
   lib/dynamic_debug.c:769:11: note: Call to function 'snprintf' is insecure as 
it does not provide security checks introduced in the C11 standard. Replace 
with analogous functions that support length arguments or provides boundary 
checks such as 'snprintf_s' in case of C11
                           pos += snprintf(buf + pos, remaining(pos), "<intr> 
");
                                  ^~~~~~~~
   lib/dynamic_debug.c:771:11: warning: Call to function 'snprintf' is insecure 
as it does not provide security checks introduced in the C11 standard. Replace 
with analogous functions that support length arguments or provides boundary 
checks such as 'snprintf_s' in case of C11 
[clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling]
                           pos += snprintf(buf + pos, remaining(pos), "[%d] ",
                                  ^~~~~~~~
   lib/dynamic_debug.c:771:11: note: Call to function 'snprintf' is insecure as 
it does not provide security checks introduced in the C11 standard. Replace 
with analogous functions that support length arguments or provides boundary 
checks such as 'snprintf_s' in case of C11
                           pos += snprintf(buf + pos, remaining(pos), "[%d] ",
                                  ^~~~~~~~
   lib/dynamic_debug.c:776:10: warning: Call to function 'snprintf' is insecure 
as it does not provide security checks introduced in the C11 standard. Replace 
with analogous functions that support length arguments or provides boundary 
checks such as 'snprintf_s' in case of C11 
[clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling]
                   pos += snprintf(buf + pos, remaining(pos), "%s:",
                          ^~~~~~~~
   lib/dynamic_debug.c:776:10: note: Call to function 'snprintf' is insecure as 
it does not provide security checks introduced in the C11 standard. Replace 
with analogous functions that support length arguments or provides boundary 
checks such as 'snprintf_s' in case of C11
                   pos += snprintf(buf + pos, remaining(pos), "%s:",
                          ^~~~~~~~
   lib/dynamic_debug.c:779:10: warning: Call to function 'snprintf' is insecure 
as it does not provide security checks introduced in the C11 standard. Replace 
with analogous functions that support length arguments or provides boundary 
checks such as 'snprintf_s' in case of C11 
[clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling]
                   pos += snprintf(buf + pos, remaining(pos), "%s:",
                          ^~~~~~~~
   lib/dynamic_debug.c:779:10: note: Call to function 'snprintf' is insecure as 
it does not provide security checks introduced in the C11 standard. Replace 
with analogous functions that support length arguments or provides boundary 
checks such as 'snprintf_s' in case of C11
                   pos += snprintf(buf + pos, remaining(pos), "%s:",
                          ^~~~~~~~
   lib/dynamic_debug.c:782:10: warning: Call to function 'snprintf' is insecure 
as it does not provide security checks introduced in the C11 standard. Replace 
with analogous functions that support length arguments or provides boundary 
checks such as 'snprintf_s' in case of C11 
[clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling]
                   pos += snprintf(buf + pos, remaining(pos), "%d:",
                          ^~~~~~~~
   lib/dynamic_debug.c:782:10: note: Call to function 'snprintf' is insecure as 
it does not provide security checks introduced in the C11 standard. Replace 
with analogous functions that support length arguments or provides boundary 
checks such as 'snprintf_s' in case of C11
                   pos += snprintf(buf + pos, remaining(pos), "%d:",
                          ^~~~~~~~
   lib/dynamic_debug.c:785:10: warning: Call to function 'snprintf' is insecure 
as it does not provide security checks introduced in the C11 standard. Replace 
with analogous functions that support length arguments or provides boundary 
checks such as 'snprintf_s' in case of C11 
[clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling]
                   pos += snprintf(buf + pos, remaining(pos), " ");
                          ^~~~~~~~
   lib/dynamic_debug.c:785:10: note: Call to function 'snprintf' is insecure as 
it does not provide security checks introduced in the C11 standard. Replace 
with analogous functions that support length arguments or provides boundary 
checks such as 'snprintf_s' in case of C11
                   pos += snprintf(buf + pos, remaining(pos), " ");
                          ^~~~~~~~
   Suppressed 14 warnings (14 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.
   8 warnings generated.
   fs/ntfs3/xattr.c:966:3: warning: 2nd function call argument is an 
uninitialized value [clang-analyzer-core.CallAndMessage]
                   i_uid_write(inode, (uid_t)le32_to_cpu(value[0]));
                   ^                  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   fs/ntfs3/xattr.c:960:6: note: Calling 'ntfs_get_ea'
           if (ntfs_get_ea(inode, "$LXUID", sizeof("$LXUID") - 1, &value[0],
               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   fs/ntfs3/xattr.c:209:6: note: Assuming the condition is false
           if (!(ni->ni_flags & NI_FLAG_EA))

vim +203 lib/dynamic_debug.c

f657fd21e16e3a Joe Perches     2012-12-05  167  
e9d376f0fa66bd Jason Baron     2009-02-05  168  /*
85f7f6c0edb841 Jim Cromie      2011-12-19  169   * Search the tables for 
_ddebug's which match the given `query' and
85f7f6c0edb841 Jim Cromie      2011-12-19  170   * apply the `flags' and `mask' 
to them.  Returns number of matching
85f7f6c0edb841 Jim Cromie      2011-12-19  171   * callsites, normally the same 
as number of changes.  If verbose,
85f7f6c0edb841 Jim Cromie      2011-12-19  172   * logs the changes.  Takes 
ddebug_lock.
e9d376f0fa66bd Jason Baron     2009-02-05  173   */
85f7f6c0edb841 Jim Cromie      2011-12-19  174  static int ddebug_change(const 
struct ddebug_query *query,
84da83a6ffc0b7 Jim Cromie      2020-07-19  175                           struct 
flag_settings *modifiers)
e9d376f0fa66bd Jason Baron     2009-02-05  176  {
e9d376f0fa66bd Jason Baron     2009-02-05  177          int i;
e9d376f0fa66bd Jason Baron     2009-02-05  178          struct ddebug_table *dt;
e9d376f0fa66bd Jason Baron     2009-02-05  179          unsigned int newflags;
e9d376f0fa66bd Jason Baron     2009-02-05  180          unsigned int nfound = 0;
d9df95baf80420 Jim Cromie      2022-01-31  181          struct flagsbuf fbuf, 
nbuf;
519000e6161f69 Jim Cromie      2022-05-27  182          struct 
ddebug_known_classes_map *map;
0389d9432ddc3b Jim Cromie      2022-04-01  183          int query_class;
e9d376f0fa66bd Jason Baron     2009-02-05  184  
e9d376f0fa66bd Jason Baron     2009-02-05  185          /* search for matching 
ddebugs */
e9d376f0fa66bd Jason Baron     2009-02-05  186          
mutex_lock(&ddebug_lock);
e9d376f0fa66bd Jason Baron     2009-02-05  187          list_for_each_entry(dt, 
&ddebug_tables, link) {
e9d376f0fa66bd Jason Baron     2009-02-05  188  
e9d376f0fa66bd Jason Baron     2009-02-05  189                  /* match 
against the module name */
578b1e0701af34 Changbin Du     2014-01-23  190                  if 
(query->module &&
578b1e0701af34 Changbin Du     2014-01-23  191                      
!match_wildcard(query->module, dt->mod_name))
e9d376f0fa66bd Jason Baron     2009-02-05  192                          
continue;
e9d376f0fa66bd Jason Baron     2009-02-05  193  
0389d9432ddc3b Jim Cromie      2022-04-01  194                  /* validate 
class-string against module's known classes */
519000e6161f69 Jim Cromie      2022-05-27  195                  query_class = 
ddebug_validate_classname(dt, query->class_string, &map);
0389d9432ddc3b Jim Cromie      2022-04-01  196                  if (query_class 
< 0)
0389d9432ddc3b Jim Cromie      2022-04-01  197                          
continue;
0389d9432ddc3b Jim Cromie      2022-04-01  198  
e9d376f0fa66bd Jason Baron     2009-02-05  199                  for (i = 0; i < 
dt->num_ddebugs; i++) {
e9d376f0fa66bd Jason Baron     2009-02-05  200                          struct 
_ddebug *dp = &dt->ddebugs[i];
e9d376f0fa66bd Jason Baron     2009-02-05  201  
0389d9432ddc3b Jim Cromie      2022-04-01  202                          /* 
match against query-class, either valid input or default */
519000e6161f69 Jim Cromie      2022-05-27 @203                          if 
(!map) {
519000e6161f69 Jim Cromie      2022-05-27  204                                  
if (query_class != dp->class_id)
519000e6161f69 Jim Cromie      2022-05-27  205                                  
        continue;
519000e6161f69 Jim Cromie      2022-05-27  206                          } else {
519000e6161f69 Jim Cromie      2022-05-27  207                                  
switch (map->map_type) {
519000e6161f69 Jim Cromie      2022-05-27  208                                  
case DD_CLS_DISJOINT:
0389d9432ddc3b Jim Cromie      2022-04-01  209                                  
        if (query_class != dp->class_id)
0389d9432ddc3b Jim Cromie      2022-04-01  210                                  
                continue;
519000e6161f69 Jim Cromie      2022-05-27  211                                  
        break;
519000e6161f69 Jim Cromie      2022-05-27  212                                  
case DD_CLS_VERBOSE:
519000e6161f69 Jim Cromie      2022-05-27  213                                  
        if (query_class < dp->class_id &&
519000e6161f69 Jim Cromie      2022-05-27  214                                  
            query_class >= map->base)
519000e6161f69 Jim Cromie      2022-05-27  215                                  
                continue;
519000e6161f69 Jim Cromie      2022-05-27  216                                  
        break;
519000e6161f69 Jim Cromie      2022-05-27  217                                  
case DD_CLS_PRIORITY:
519000e6161f69 Jim Cromie      2022-05-27  218                                  
        if (query_class > dp->class_id &&
519000e6161f69 Jim Cromie      2022-05-27  219                                  
            query_class < map->base + map->length)
519000e6161f69 Jim Cromie      2022-05-27  220                                  
                continue;
519000e6161f69 Jim Cromie      2022-05-27  221                                  
        break;
519000e6161f69 Jim Cromie      2022-05-27  222                                  
default:
519000e6161f69 Jim Cromie      2022-05-27  223                                  
        BUG_ON("illegal enum value\n");
519000e6161f69 Jim Cromie      2022-05-27  224                                  
}
519000e6161f69 Jim Cromie      2022-05-27  225                          }
0389d9432ddc3b Jim Cromie      2022-04-01  226  
e9d376f0fa66bd Jason Baron     2009-02-05  227                          /* 
match against the source filename */
d6a238d25014d0 Jim Cromie      2011-12-19  228                          if 
(query->filename &&
578b1e0701af34 Changbin Du     2014-01-23  229                              
!match_wildcard(query->filename, dp->filename) &&
578b1e0701af34 Changbin Du     2014-01-23  230                              
!match_wildcard(query->filename,
578b1e0701af34 Changbin Du     2014-01-23  231                                  
           kbasename(dp->filename)) &&
578b1e0701af34 Changbin Du     2014-01-23  232                              
!match_wildcard(query->filename,
578b1e0701af34 Changbin Du     2014-01-23  233                                  
           trim_prefix(dp->filename)))
e9d376f0fa66bd Jason Baron     2009-02-05  234                                  
continue;
e9d376f0fa66bd Jason Baron     2009-02-05  235  
e9d376f0fa66bd Jason Baron     2009-02-05  236                          /* 
match against the function */
d6a238d25014d0 Jim Cromie      2011-12-19  237                          if 
(query->function &&
578b1e0701af34 Changbin Du     2014-01-23  238                              
!match_wildcard(query->function, dp->function))
e9d376f0fa66bd Jason Baron     2009-02-05  239                                  
continue;
e9d376f0fa66bd Jason Baron     2009-02-05  240  
e9d376f0fa66bd Jason Baron     2009-02-05  241                          /* 
match against the format */
4b334484fa7f44 Jim Cromie      2020-07-19  242                          if 
(query->format) {
4b334484fa7f44 Jim Cromie      2020-07-19  243                                  
if (*query->format == '^') {
4b334484fa7f44 Jim Cromie      2020-07-19  244                                  
        char *p;
4b334484fa7f44 Jim Cromie      2020-07-19  245                                  
        /* anchored search. match must be at beginning */
4b334484fa7f44 Jim Cromie      2020-07-19  246                                  
        p = strstr(dp->format, query->format+1);
4b334484fa7f44 Jim Cromie      2020-07-19  247                                  
        if (p != dp->format)
4b334484fa7f44 Jim Cromie      2020-07-19  248                                  
                continue;
4b334484fa7f44 Jim Cromie      2020-07-19  249                                  
} else if (!strstr(dp->format, query->format))
e9d376f0fa66bd Jason Baron     2009-02-05  250                                  
        continue;
4b334484fa7f44 Jim Cromie      2020-07-19  251                          }
e9d376f0fa66bd Jason Baron     2009-02-05  252  
e9d376f0fa66bd Jason Baron     2009-02-05  253                          /* 
match against the line number range */
e9d376f0fa66bd Jason Baron     2009-02-05  254                          if 
(query->first_lineno &&
e9d376f0fa66bd Jason Baron     2009-02-05  255                              
dp->lineno < query->first_lineno)
e9d376f0fa66bd Jason Baron     2009-02-05  256                                  
continue;
e9d376f0fa66bd Jason Baron     2009-02-05  257                          if 
(query->last_lineno &&
e9d376f0fa66bd Jason Baron     2009-02-05  258                              
dp->lineno > query->last_lineno)
e9d376f0fa66bd Jason Baron     2009-02-05  259                                  
continue;
e9d376f0fa66bd Jason Baron     2009-02-05  260  
e9d376f0fa66bd Jason Baron     2009-02-05  261                          
nfound++;
e9d376f0fa66bd Jason Baron     2009-02-05  262  
84da83a6ffc0b7 Jim Cromie      2020-07-19  263                          
newflags = (dp->flags & modifiers->mask) | modifiers->flags;
e9d376f0fa66bd Jason Baron     2009-02-05  264                          if 
(newflags == dp->flags)
e9d376f0fa66bd Jason Baron     2009-02-05  265                                  
continue;
e9666d10a5677a Masahiro Yamada 2018-12-31  266  #ifdef CONFIG_JUMP_LABEL
9049fc745300c5 Jason Baron     2016-08-03  267                          if 
(dp->flags & _DPRINTK_FLAGS_PRINT) {
4e833e8f218649 Jim Cromie      2022-01-31  268                                  
if (!(newflags & _DPRINTK_FLAGS_PRINT))
9049fc745300c5 Jason Baron     2016-08-03  269                                  
        static_branch_disable(&dp->key.dd_key_true);
4e833e8f218649 Jim Cromie      2022-01-31  270                          } else 
if (newflags & _DPRINTK_FLAGS_PRINT) {
9049fc745300c5 Jason Baron     2016-08-03  271                                  
static_branch_enable(&dp->key.dd_key_true);
4e833e8f218649 Jim Cromie      2022-01-31  272                          }
9049fc745300c5 Jason Baron     2016-08-03  273  #endif
d9df95baf80420 Jim Cromie      2022-01-31  274                          
v4pr_info("changed %s:%d [%s]%s %s -> %s\n",
2b6783191da721 Jim Cromie      2011-12-19  275                                  
  trim_prefix(dp->filename), dp->lineno,
e9d376f0fa66bd Jason Baron     2009-02-05  276                                  
  dt->mod_name, dp->function,
d9df95baf80420 Jim Cromie      2022-01-31  277                                  
  ddebug_describe_flags(dp->flags, &fbuf),
d9df95baf80420 Jim Cromie      2022-01-31  278                                  
  ddebug_describe_flags(newflags, &nbuf));
d9df95baf80420 Jim Cromie      2022-01-31  279                          
dp->flags = newflags;
e9d376f0fa66bd Jason Baron     2009-02-05  280                  }
e9d376f0fa66bd Jason Baron     2009-02-05  281          }
e9d376f0fa66bd Jason Baron     2009-02-05  282          
mutex_unlock(&ddebug_lock);
e9d376f0fa66bd Jason Baron     2009-02-05  283  
e9d376f0fa66bd Jason Baron     2009-02-05  284          if (!nfound && verbose)
4ad275e5cb576f Joe Perches     2011-08-11  285                  pr_info("no 
matches for query\n");
85f7f6c0edb841 Jim Cromie      2011-12-19  286  
85f7f6c0edb841 Jim Cromie      2011-12-19  287          return nfound;
e9d376f0fa66bd Jason Baron     2009-02-05  288  }
e9d376f0fa66bd Jason Baron     2009-02-05  289  

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp
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