linux-kernel - Re: sound/pci/asihpi/hpioctl.c:346:9: warning: missing braces around initializer

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Date:   Sun, 14 Feb 2021 16:45:13 +0100
From:   Takashi Iwai <tiwai@...e.de>
To:     kernel test robot <lkp@...el.com>
Cc:     Tom Rix <trix@...hat.com>, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: Re: sound/pci/asihpi/hpioctl.c:346:9: warning: missing braces around initializer

On Sun, 14 Feb 2021 15:51:23 +0100,
kernel test robot wrote:
> 
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   ac30d8ce28d61c05ac3a8b1452e889371136f3af
> commit: 472eb39103e885f302fd8fd6eff104fcf5503f1b ALSA: asihpi: fix iounmap in error handler
> date:   5 months ago
> config: i386-randconfig-a014-20200624 (attached as .config)
> compiler: gcc-4.9 (Ubuntu 4.9.3-13ubuntu2) 4.9.3
> reproduce (this is a W=1 build):
>         # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=472eb39103e885f302fd8fd6eff104fcf5503f1b
>         git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
>         git fetch --no-tags linus master
>         git checkout 472eb39103e885f302fd8fd6eff104fcf5503f1b
>         # save the attached .config to linux build tree
>         make W=1 ARCH=i386 
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@...el.com>
> 
> All warnings (new ones prefixed by >>):
> 
>    sound/pci/asihpi/hpioctl.c: In function 'asihpi_adapter_probe':
> >> sound/pci/asihpi/hpioctl.c:346:9: warning: missing braces around initializer [-Wmissing-braces]
>      struct hpi_pci pci = { 0 };
>             ^
>    sound/pci/asihpi/hpioctl.c:346:9: warning: (near initialization for 'pci.ap_mem_base') [-Wmissing-braces]

I guess it's rather a false-positive due to the old gcc version
(4.9).


Takashi