[sound:for-linus 117/119] sound/usb/mixer_scarlett_gen2.c:2000:5: sparse: sparse: symbol 'snd_scarlett_gen2_controls_create' was not declared. Should it be static?

[sound:for-linus 117/119] sound/usb/mixer_scarlett_gen2.c:2000:5: sparse: sparse: symbol 'snd_scarlett_gen2_controls_create' was not declared. Should it be static?

[kernel test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git for-linus
head:   9ebaef0540a981093bce5df15af32354d32391d9
commit: 265d1a90e4fb6d3264d8122fbd10760e5e733be6 [117/119] ALSA: usb-audio: scarlett2: Improve driver startup messages
config: x86_64-randconfig-s021-20210522 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.3-341-g8af24329-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git/commit/?id=265d1a90e4fb6d3264d8122fbd10760e5e733be6
        git remote add sound https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git
        git fetch --no-tags sound for-linus
        git checkout 265d1a90e4fb6d3264d8122fbd10760e5e733be6
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' W=1 ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>


sparse warnings: (new ones prefixed by >>)
>> sound/usb/mixer_scarlett_gen2.c:2000:5: sparse: sparse: symbol 'snd_scarlett_gen2_controls_create' was not declared. Should it be static?

Please review and possibly fold the followup patch.

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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[RFC PATCH sound] ALSA: usb-audio: scarlett2: snd_scarlett_gen2_controls_create() can be static

[kernel test robot]

sound/usb/mixer_scarlett_gen2.c:2000:5: warning: symbol 'snd_scarlett_gen2_controls_create' was not declared. Should it be static?

Fixes: 265d1a90e4fb ("ALSA: usb-audio: scarlett2: Improve driver startup messages")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: kernel test robot <lkp@intel.com>
---
 mixer_scarlett_gen2.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/usb/mixer_scarlett_gen2.c b/sound/usb/mixer_scarlett_gen2.c
index 3ad8f61a2095f..4caf379d5b991 100644
--- a/sound/usb/mixer_scarlett_gen2.c
+++ b/sound/usb/mixer_scarlett_gen2.c
@@ -1997,8 +1997,8 @@ static int scarlett2_mixer_status_create(struct usb_mixer_interface *mixer)
 	return usb_submit_urb(mixer->urb, GFP_KERNEL);
 }
 
-int snd_scarlett_gen2_controls_create(struct usb_mixer_interface *mixer,
-				      const struct scarlett2_device_info *info)
+static int snd_scarlett_gen2_controls_create(struct usb_mixer_interface *mixer,
+					     const struct scarlett2_device_info *info)
 {
 	int err;
 

Re: [RFC PATCH sound] ALSA: usb-audio: scarlett2: snd_scarlett_gen2_controls_create() can be static

[Takashi Iwai]

On Sat, 22 May 2021 20:09:00 +0200,
kernel test robot wrote:
> 
> sound/usb/mixer_scarlett_gen2.c:2000:5: warning: symbol 'snd_scarlett_gen2_controls_create' was not declared. Should it be static?
> 
> Fixes: 265d1a90e4fb ("ALSA: usb-audio: scarlett2: Improve driver startup messages")
> Reported-by: kernel test robot <lkp@intel.com>
> Signed-off-by: kernel test robot <lkp@intel.com>

Applied now.  Thanks.


Takashi