Re: [PATCH v2] ASoC: Add a sanity check before using dai driver name

[kbuild test robot <lkp@intel.com>]

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Hi Jeffy,

[auto build test ERROR on asoc/for-next]
[also build test ERROR on next-20170825]
[cannot apply to v4.13-rc6]
[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/Jeffy-Chen/ASoC-Add-a-sanity-check-before-using-dai-driver-name/20170826-195851
base:   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next
config: x86_64-randconfig-it0-08261958 (attached as .config)
compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All error/warnings (new ones prefixed by >>):

   sound//soc/soc-core.c: In function 'snd_soc_find_dai':
>> sound//soc/soc-core.c:4321:0: error: unterminated argument list invoking macro "if"
    MODULE_ALIAS("platform:soc-audio");
    ^
>> sound//soc/soc-core.c:1031:4: error: expected '(' at end of input
       if (dlc->dai_name && strcmp(dai->name, dlc->dai_name)
       ^
>> sound//soc/soc-core.c:1031:4: error: expected declaration or statement at end of input
>> sound//soc/soc-core.c:1031:4: error: expected declaration or statement at end of input
>> sound//soc/soc-core.c:1031:4: error: expected declaration or statement at end of input
   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/list.h:4,
                    from include/linux/module.h:9,
                    from sound//soc/soc-core.c:25:
   sound//soc/soc-core.c: At top level:
   include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'strcpy' which is not static
       ______f = {     \
       ^
   include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if'
    #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
                          ^
   include/linux/string.h:390:2: note: in expansion of macro 'if'
     if (p_size == (size_t)-1 && q_size == (size_t)-1)
     ^
   include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'kmemdup' which is not static
       ______f = {     \
       ^
   include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if'
    #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
                          ^
   include/linux/string.h:380:2: note: in expansion of macro 'if'
     if (p_size < size)
     ^
   include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'kmemdup' which is not static
       ______f = {     \
       ^
   include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if'
    #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
                          ^
   include/linux/string.h:378:2: note: in expansion of macro 'if'
     if (__builtin_constant_p(size) && p_size < size)
     ^
   include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'memchr_inv' which is not static
       ______f = {     \
       ^
   include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if'
    #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
                          ^
   include/linux/string.h:369:2: note: in expansion of macro 'if'
     if (p_size < size)
     ^
   include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'memchr_inv' which is not static
       ______f = {     \
       ^
   include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if'
    #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
                          ^
   include/linux/string.h:367:2: note: in expansion of macro 'if'
     if (__builtin_constant_p(size) && p_size < size)
     ^
   include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'memchr' which is not static
       ______f = {     \
       ^
   include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if'
    #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
                          ^
   include/linux/string.h:358:2: note: in expansion of macro 'if'
     if (p_size < size)
     ^
   include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'memchr' which is not static
       ______f = {     \
       ^
   include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if'
    #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
                          ^
   include/linux/string.h:356:2: note: in expansion of macro 'if'
     if (__builtin_constant_p(size) && p_size < size)
     ^
   include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'memcmp' which is not static
       ______f = {     \
       ^
   include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if'
    #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
                          ^
   include/linux/string.h:348:2: note: in expansion of macro 'if'
     if (p_size < size || q_size < size)
     ^
   include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'memcmp' which is not static
       ______f = {     \
       ^
   include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if'
    #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
                          ^
   include/linux/string.h:345:3: note: in expansion of macro 'if'
      if (q_size < size)
      ^
   include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'memcmp' which is not static
       ______f = {     \
       ^
   include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if'
    #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
                          ^
   include/linux/string.h:343:3: note: in expansion of macro 'if'
      if (p_size < size)
      ^
   include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'memcmp' which is not static
--
   include/linux/string.h:243:2: note: in expansion of macro 'if'
     if (p_size <= ret && maxlen != ret)
     ^
   include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'strlen' which is not static
       ______f = {     \
       ^
   include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if'
    #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
                          ^
   include/linux/string.h:233:2: note: in expansion of macro 'if'
     if (p_size <= ret)
     ^
   include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'strlen' which is not static
       ______f = {     \
       ^
   include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if'
    #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
                          ^
   include/linux/string.h:230:2: note: in expansion of macro 'if'
     if (p_size == (size_t)-1)
     ^
   include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'strcat' which is not static
       ______f = {     \
       ^
   include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if'
    #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
                          ^
   include/linux/string.h:221:2: note: in expansion of macro 'if'
     if (strlcat(p, q, p_size) >= p_size)
     ^
   include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'strcat' which is not static
       ______f = {     \
       ^
   include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if'
    #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
                          ^
   include/linux/string.h:219:2: note: in expansion of macro 'if'
     if (p_size == (size_t)-1)
     ^
   include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'strncpy' which is not static
       ______f = {     \
       ^
   include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if'
    #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
                          ^
   include/linux/string.h:211:2: note: in expansion of macro 'if'
     if (p_size < size)
     ^
   include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'strncpy' which is not static
       ______f = {     \
       ^
   include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if'
    #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
                          ^
   include/linux/string.h:209:2: note: in expansion of macro 'if'
     if (__builtin_constant_p(size) && p_size < size)
     ^
   sound//soc/soc-core.c:229:38: warning: 'soc_dev_attr_groups' defined but not used [-Wunused-variable]
    static const struct attribute_group *soc_dev_attr_groups[] = {
                                         ^
   sound//soc/soc-core.c:301:13: warning: 'soc_init_component_debugfs' defined but not used [-Wunused-function]
    static void soc_init_component_debugfs(struct snd_soc_component *component)
                ^
   sound//soc/soc-core.c:334:13: warning: 'soc_cleanup_component_debugfs' defined but not used [-Wunused-function]
    static void soc_cleanup_component_debugfs(struct snd_soc_component *component)
                ^
   sound//soc/soc-core.c:339:13: warning: 'soc_init_codec_debugfs' defined but not used [-Wunused-function]
    static void soc_init_codec_debugfs(struct snd_soc_component *component)
                ^
   sound//soc/soc-core.c:468:13: warning: 'soc_init_card_debugfs' defined but not used [-Wunused-function]
    static void soc_init_card_debugfs(struct snd_soc_card *card)
                ^
   sound//soc/soc-core.c:489:13: warning: 'soc_cleanup_card_debugfs' defined but not used [-Wunused-function]
    static void soc_cleanup_card_debugfs(struct snd_soc_card *card)
                ^
   sound//soc/soc-core.c:495:13: warning: 'snd_soc_debugfs_init' defined but not used [-Wunused-function]
    static void snd_soc_debugfs_init(void)
                ^
   sound//soc/soc-core.c:517:13: warning: 'snd_soc_debugfs_exit' defined but not used [-Wunused-function]
    static void snd_soc_debugfs_exit(void)
                ^
   sound//soc/soc-core.c:554:12: warning: 'snd_soc_rtdcom_add' defined but not used [-Wunused-function]
    static int snd_soc_rtdcom_add(struct snd_soc_pcm_runtime *rtd,
               ^
   sound//soc/soc-core.c:617:36: warning: 'soc_new_pcm_runtime' defined but not used [-Wunused-function]
    static struct snd_soc_pcm_runtime *soc_new_pcm_runtime(
                                       ^
   sound//soc/soc-core.c:648:13: warning: 'soc_add_pcm_runtime' defined but not used [-Wunused-function]
    static void soc_add_pcm_runtime(struct snd_soc_card *card,
                ^
   sound//soc/soc-core.c:656:13: warning: 'soc_remove_pcm_runtimes' defined but not used [-Wunused-function]
    static void soc_remove_pcm_runtimes(struct snd_soc_card *card)
                ^
   sound//soc/soc-core.c:682:13: warning: 'codec2codec_close_delayed_work' defined but not used [-Wunused-function]
    static void codec2codec_close_delayed_work(struct work_struct *work)
                ^
   sound//soc/soc-core.c:981:34: warning: 'soc_find_component' defined but not used [-Wunused-function]
    static struct snd_soc_component *soc_find_component(
                                     ^
   sound//soc/soc-core.c: In function 'snd_soc_find_dai':
>> sound//soc/soc-core.c:1031:4: warning: control reaches end of non-void function [-Wreturn-type]
       if (dlc->dai_name && strcmp(dai->name, dlc->dai_name)
       ^

vim +/if +4321 sound//soc/soc-core.c

db2a4165 Frank Mandarino 2006-10-06  4316  
db2a4165 Frank Mandarino 2006-10-06  4317  /* Module information */
d331124d Liam Girdwood   2008-10-12  4318  MODULE_AUTHOR("Liam Girdwood, lrg@slimlogic.co.uk");
db2a4165 Frank Mandarino 2006-10-06  4319  MODULE_DESCRIPTION("ALSA SoC Core");
db2a4165 Frank Mandarino 2006-10-06  4320  MODULE_LICENSE("GPL");
8b45a209 Kay Sievers     2008-04-14 @4321  MODULE_ALIAS("platform:soc-audio");

:::::: The code at line 4321 was first introduced by commit
:::::: 8b45a209935c4b79905182608922736ba0e5579e [ALSA] sound: fix platform driver hotplug/coldplug

:::::: TO: Kay Sievers <kay.sievers@vrfy.org>
:::::: CC: Takashi Iwai <tiwai@suse.de>

---
0-DAY kernel test infrastructure                Open Source Technology Center
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