From: "Liu, Yujie" <yujie.liu@intel.com>
To: lkp <lkp@intel.com>,
"oe-kbuild@lists.linux.dev" <oe-kbuild@lists.linux.dev>
Subject: Re: conf.c:119:1: warning: non-void function does not return a value in all control paths
Date: Tue, 16 Apr 2024 06:30:35 +0000 [thread overview]
Message-ID: <516b37988f1af60912de97f046d590db3ade6656.camel@intel.com> (raw)
In-Reply-To: <202404161009.ZcnFbWPa-lkp@intel.com>
not_report
# Parent warning:
conf.c:119:1: warning: non-void function does not return a value [-Wreturn-type]
}
^
# FBC warning:
conf.c:119:1: warning: non-void function does not return a value in all control paths [-Wreturn-type]
}
^
On Tue, 2024-04-16 at 11:09 +0800, kernel test robot wrote:
> ::::::
> :::::: Manual check reason: "low confidence bisect report"
> ::::::
>
> BCC: lkp@intel.com
> CC: oe-kbuild-all@lists.linux.dev
> CC: linux-kernel@vger.kernel.org
> TO: Nathan Chancellor <nathan@kernel.org>
> CC: Thomas Gleixner <tglx@linutronix.de>
>
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head: 96fca68c4fbf77a8185eb10f7557e23352732ea2
> commit: f7d5bcd35d427daac7e206b1073ca14f5db85c27 selftests: kselftest: Mark functions that unconditionally call exit() as __noreturn
> date: 4 days ago
> :::::: branch date: 6 hours ago
> :::::: commit date: 4 days ago
> compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240416/202404161009.ZcnFbWPa-lkp@intel.com/reproduce)
>
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> > Reported-by: kernel test robot <lkp@intel.com>
> > Closes: https://lore.kernel.org/r/202404161009.ZcnFbWPa-lkp@intel.com/
>
> All warnings (new ones prefixed by >>):
>
> > > conf.c:119:1: warning: non-void function does not return a value in all control paths [-Wreturn-type]
> 119 | }
> | ^
> 1 warning generated.
>
>
> vim +119 tools/testing/selftests/alsa/conf.c
>
> aba51cd0949aee Jaroslav Kysela 2022-11-08 107
> aba51cd0949aee Jaroslav Kysela 2022-11-08 108 static int dump_config_tree(snd_config_t *top)
> aba51cd0949aee Jaroslav Kysela 2022-11-08 109 {
> aba51cd0949aee Jaroslav Kysela 2022-11-08 110 snd_output_t *out;
> aba51cd0949aee Jaroslav Kysela 2022-11-08 111 int err;
> aba51cd0949aee Jaroslav Kysela 2022-11-08 112
> aba51cd0949aee Jaroslav Kysela 2022-11-08 113 err = snd_output_stdio_attach(&out, stdout, 0);
> aba51cd0949aee Jaroslav Kysela 2022-11-08 114 if (err < 0)
> aba51cd0949aee Jaroslav Kysela 2022-11-08 115 ksft_exit_fail_msg("stdout attach\n");
> aba51cd0949aee Jaroslav Kysela 2022-11-08 116 if (snd_config_save(top, out))
> aba51cd0949aee Jaroslav Kysela 2022-11-08 117 ksft_exit_fail_msg("config save\n");
> aba51cd0949aee Jaroslav Kysela 2022-11-08 118 snd_output_close(out);
> aba51cd0949aee Jaroslav Kysela 2022-11-08 @119 }
> aba51cd0949aee Jaroslav Kysela 2022-11-08 120
>
> :::::: The code at line 119 was first introduced by commit
> :::::: aba51cd0949aee50a2b93f1b32ed3668cd613649 selftests: alsa - add PCM test
>
> :::::: TO: Jaroslav Kysela <perex@perex.cz>
> :::::: CC: Takashi Iwai <tiwai@suse.de>
>
prev parent reply other threads:[~2024-04-16 6:30 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-16 3:09 conf.c:119:1: warning: non-void function does not return a value in all control paths kernel test robot
2024-04-16 6:30 ` Liu, Yujie [this message]
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