[PATCH] sound: Remove redundant steps
kernel test robot
lkp at intel.com
Wed Mar 10 14:19:52 CET 2021
Hi,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on sound/for-next]
[also build test WARNING on v5.12-rc2 next-20210310]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/zuoqilin1-163-com/sound-Remove-redundant-steps/20210310-183451
base: https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git for-next
config: x86_64-randconfig-a016-20210308 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project cd9a69289c7825d54450cb6829fef2c8e0f1963a)
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
# install x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
# https://github.com/0day-ci/linux/commit/7477aca62fd7115a8e7034e78fd7b5d427deb74b
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review zuoqilin1-163-com/sound-Remove-redundant-steps/20210310-183451
git checkout 7477aca62fd7115a8e7034e78fd7b5d427deb74b
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp at intel.com>
All warnings (new ones prefixed by >>):
>> sound/core/oss/mixer_oss.c:832:7: warning: unused label '__free_only' [-Wunused-label]
__free_only:
^~~~~~~~~~~~
sound/core/oss/mixer_oss.c:886:7: warning: unused label '__free_only' [-Wunused-label]
__free_only:
^~~~~~~~~~~~
2 warnings generated.
vim +/__free_only +832 sound/core/oss/mixer_oss.c
^1da177e4c3f41 Linus Torvalds 2005-04-16 788
f956b4a3ae790e Takashi Iwai 2005-11-17 789 static int snd_mixer_oss_get_recsrc2(struct snd_mixer_oss_file *fmixer, unsigned int *active_index)
^1da177e4c3f41 Linus Torvalds 2005-04-16 790 {
f956b4a3ae790e Takashi Iwai 2005-11-17 791 struct snd_card *card = fmixer->card;
f956b4a3ae790e Takashi Iwai 2005-11-17 792 struct snd_mixer_oss *mixer = fmixer->mixer;
f956b4a3ae790e Takashi Iwai 2005-11-17 793 struct snd_kcontrol *kctl;
f956b4a3ae790e Takashi Iwai 2005-11-17 794 struct snd_mixer_oss_slot *pslot;
^1da177e4c3f41 Linus Torvalds 2005-04-16 795 struct slot *slot;
f956b4a3ae790e Takashi Iwai 2005-11-17 796 struct snd_ctl_elem_info *uinfo;
f956b4a3ae790e Takashi Iwai 2005-11-17 797 struct snd_ctl_elem_value *uctl;
^1da177e4c3f41 Linus Torvalds 2005-04-16 798 int err, idx;
^1da177e4c3f41 Linus Torvalds 2005-04-16 799
ca2c0966562cfb Takashi Iwai 2005-09-09 800 uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL);
ca2c0966562cfb Takashi Iwai 2005-09-09 801 uctl = kzalloc(sizeof(*uctl), GFP_KERNEL);
^1da177e4c3f41 Linus Torvalds 2005-04-16 802 if (uinfo == NULL || uctl == NULL) {
7477aca62fd711 zuoqilin 2021-03-10 803 return -ENOMEM;
^1da177e4c3f41 Linus Torvalds 2005-04-16 804 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 805 down_read(&card->controls_rwsem);
^1da177e4c3f41 Linus Torvalds 2005-04-16 806 kctl = snd_mixer_oss_test_id(mixer, "Capture Source", 0);
7c22f1aaa23370 Takashi Iwai 2005-10-10 807 if (! kctl) {
7c22f1aaa23370 Takashi Iwai 2005-10-10 808 err = -ENOENT;
7c22f1aaa23370 Takashi Iwai 2005-10-10 809 goto __unlock;
7c22f1aaa23370 Takashi Iwai 2005-10-10 810 }
7c22f1aaa23370 Takashi Iwai 2005-10-10 811 if ((err = kctl->info(kctl, uinfo)) < 0)
7c22f1aaa23370 Takashi Iwai 2005-10-10 812 goto __unlock;
7c22f1aaa23370 Takashi Iwai 2005-10-10 813 if ((err = kctl->get(kctl, uctl)) < 0)
7c22f1aaa23370 Takashi Iwai 2005-10-10 814 goto __unlock;
^1da177e4c3f41 Linus Torvalds 2005-04-16 815 for (idx = 0; idx < 32; idx++) {
^1da177e4c3f41 Linus Torvalds 2005-04-16 816 if (!(mixer->mask_recsrc & (1 << idx)))
^1da177e4c3f41 Linus Torvalds 2005-04-16 817 continue;
^1da177e4c3f41 Linus Torvalds 2005-04-16 818 pslot = &mixer->slots[idx];
9fe856e47e1751 Joe Perches 2010-09-04 819 slot = pslot->private_data;
^1da177e4c3f41 Linus Torvalds 2005-04-16 820 if (slot->signature != SNDRV_MIXER_OSS_SIGNATURE)
^1da177e4c3f41 Linus Torvalds 2005-04-16 821 continue;
^1da177e4c3f41 Linus Torvalds 2005-04-16 822 if (!(slot->present & SNDRV_MIXER_OSS_PRESENT_CAPTURE))
^1da177e4c3f41 Linus Torvalds 2005-04-16 823 continue;
^1da177e4c3f41 Linus Torvalds 2005-04-16 824 if (slot->capture_item == uctl->value.enumerated.item[0]) {
^1da177e4c3f41 Linus Torvalds 2005-04-16 825 *active_index = idx;
^1da177e4c3f41 Linus Torvalds 2005-04-16 826 break;
^1da177e4c3f41 Linus Torvalds 2005-04-16 827 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 828 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 829 err = 0;
^1da177e4c3f41 Linus Torvalds 2005-04-16 830 __unlock:
^1da177e4c3f41 Linus Torvalds 2005-04-16 831 up_read(&card->controls_rwsem);
838c364ff05c14 Jaroslav Kysela 2010-10-08 @832 __free_only:
^1da177e4c3f41 Linus Torvalds 2005-04-16 833 kfree(uctl);
^1da177e4c3f41 Linus Torvalds 2005-04-16 834 kfree(uinfo);
^1da177e4c3f41 Linus Torvalds 2005-04-16 835 return err;
^1da177e4c3f41 Linus Torvalds 2005-04-16 836 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 837
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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