[alsa-devel] [asoc:for-4.20 399/404] sound/soc/soc-dapm.c:3768:9: warning: 'ret' may be used uninitialized in this function
tree: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-4.20 head: 9ab708aef61f5620113269a9d1bdb1543d1207d0 commit: 4a75aae17b2a802a7267206414050408392c374c [399/404] ASoC: dapm: Add support for multi-CODEC CODEC to CODEC links config: x86_64-randconfig-x006-201835 (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 reproduce: git checkout 4a75aae17b2a802a7267206414050408392c374c # save the attached .config to linux build tree make ARCH=x86_64
Note: it may well be a FALSE warning. FWIW you are at least aware of it now. http://gcc.gnu.org/wiki/Better_Uninitialized_Warnings
All warnings (new ones prefixed by >>):
Cyclomatic Complexity 3 sound/soc/soc-dapm.c:dapm_power_one_widget Cyclomatic Complexity 6 sound/soc/soc-dapm.c:snd_soc_dapm_check_dynamic_path Cyclomatic Complexity 2 sound/soc/soc-dapm.c:soc_dapm_update_bits Cyclomatic Complexity 15 sound/soc/soc-dapm.c:dapm_widget_update Cyclomatic Complexity 3 sound/soc/soc-dapm.c:pop_dbg Cyclomatic Complexity 12 sound/soc/soc-dapm.c:dapm_seq_check_event Cyclomatic Complexity 1 sound/soc/soc-dapm.c:dapm_free_path Cyclomatic Complexity 1 sound/soc/soc-dapm.c:dapm_kcontrol_free Cyclomatic Complexity 2 sound/soc/soc-dapm.c:pop_wait Cyclomatic Complexity 13 sound/soc/soc-dapm.c:dapm_seq_run_coalesced Cyclomatic Complexity 42 sound/soc/soc-dapm.c:dapm_seq_run Cyclomatic Complexity 13 sound/soc/soc-dapm.c:dapm_widget_show_component Cyclomatic Complexity 3 sound/soc/soc-dapm.c:dapm_widget_show Cyclomatic Complexity 6 sound/soc/soc-dapm.c:dapm_wcache_lookup Cyclomatic Complexity 2 sound/soc/soc-dapm.c:soc_dapm_read Cyclomatic Complexity 3 sound/soc/soc-dapm.c:dapm_connect_mux Cyclomatic Complexity 6 sound/soc/soc-dapm.c:dapm_set_mixer_path_status Cyclomatic Complexity 3 sound/soc/soc-dapm.c:dapm_connect_mixer Cyclomatic Complexity 17 sound/soc/soc-dapm.c:dapm_update_widget_flags Cyclomatic Complexity 22 sound/soc/soc-dapm.c:snd_soc_dapm_add_path Cyclomatic Complexity 19 sound/soc/soc-dapm.c:snd_soc_dapm_add_route Cyclomatic Complexity 10 sound/soc/soc-dapm.c:snd_soc_dapm_del_route Cyclomatic Complexity 7 sound/soc/soc-dapm.c:dapm_find_widget Cyclomatic Complexity 11 sound/soc/soc-dapm.c:snd_soc_dapm_weak_route Cyclomatic Complexity 4 sound/soc/soc-dapm.c:snd_soc_dapm_set_pin Cyclomatic Complexity 4 sound/soc/soc-dapm.c:dapm_new_dai_link Cyclomatic Complexity 9 sound/soc/soc-dapm.c:dapm_is_shared_kcontrol Cyclomatic Complexity 3 sound/soc/soc-dapm.c:dapm_kcontrol_add_widget Cyclomatic Complexity 17 sound/soc/soc-dapm.c:dapm_widget_power_read_file Cyclomatic Complexity 2 sound/soc/soc-dapm.c:soc_dapm_test_bits Cyclomatic Complexity 8 sound/soc/soc-dapm.c:dapm_supply_check_power Cyclomatic Complexity 2 sound/soc/soc-dapm.c:snd_soc_dapm_free_kcontrol Cyclomatic Complexity 42 sound/soc/soc-dapm.c:snd_soc_dai_link_event Cyclomatic Complexity 2 include/linux/device.h:devm_kmalloc_array Cyclomatic Complexity 1 include/linux/device.h:devm_kcalloc Cyclomatic Complexity 6 sound/soc/soc-dapm.c:snd_soc_dapm_alloc_kcontrol Cyclomatic Complexity 1 sound/soc/soc-dapm.c:dapm_debugfs_cleanup Cyclomatic Complexity 7 sound/soc/soc-dapm.c:dapm_mark_endpoints_dirty Cyclomatic Complexity 1 sound/soc/soc-dapm.c:dapm_kcontrol_get_value Cyclomatic Complexity 1 sound/soc/soc-dapm.c:snd_soc_dapm_kcontrol_widget Cyclomatic Complexity 1 sound/soc/soc-dapm.c:snd_soc_dapm_kcontrol_dapm Cyclomatic Complexity 3 sound/soc/soc-dapm.c:snd_soc_dapm_force_bias_level Cyclomatic Complexity 9 sound/soc/soc-dapm.c:snd_soc_dapm_set_bias_level Cyclomatic Complexity 10 sound/soc/soc-dapm.c:dapm_pre_sequence_async Cyclomatic Complexity 11 sound/soc/soc-dapm.c:dapm_post_sequence_async Cyclomatic Complexity 47 sound/soc/soc-dapm.c:dapm_power_widgets Cyclomatic Complexity 9 sound/soc/soc-dapm.c:soc_dapm_mux_update_power Cyclomatic Complexity 9 sound/soc/soc-dapm.c:soc_dapm_mixer_update_power Cyclomatic Complexity 3 sound/soc/soc-dapm.c:soc_dapm_stream_event Cyclomatic Complexity 9 sound/soc/soc-dapm.c:soc_dapm_shutdown_dapm Cyclomatic Complexity 6 sound/soc/soc-dapm.c:snd_soc_dapm_dai_get_connected_widgets Cyclomatic Complexity 6 sound/soc/soc-dapm.c:dapm_regulator_event Cyclomatic Complexity 4 sound/soc/soc-dapm.c:dapm_pinctrl_event Cyclomatic Complexity 3 sound/soc/soc-dapm.c:dapm_clock_event Cyclomatic Complexity 4 sound/soc/soc-dapm.c:snd_soc_dapm_debugfs_init Cyclomatic Complexity 2 sound/soc/soc-dapm.c:snd_soc_dapm_mux_update_power Cyclomatic Complexity 2 sound/soc/soc-dapm.c:snd_soc_dapm_mixer_update_power Cyclomatic Complexity 6 sound/soc/soc-dapm.c:snd_soc_dapm_free_widget Cyclomatic Complexity 1 sound/soc/soc-dapm.c:snd_soc_dapm_reset_cache Cyclomatic Complexity 6 sound/soc/soc-dapm.c:dapm_free_widgets Cyclomatic Complexity 3 sound/soc/soc-dapm.c:snd_soc_dapm_sync_unlocked Cyclomatic Complexity 1 sound/soc/soc-dapm.c:snd_soc_dapm_sync Cyclomatic Complexity 4 sound/soc/soc-dapm.c:snd_soc_dapm_add_routes Cyclomatic Complexity 2 sound/soc/soc-dapm.c:snd_soc_dapm_del_routes Cyclomatic Complexity 3 sound/soc/soc-dapm.c:snd_soc_dapm_weak_routes Cyclomatic Complexity 11 sound/soc/soc-dapm.c:snd_soc_dapm_get_volsw Cyclomatic Complexity 11 sound/soc/soc-dapm.c:snd_soc_dapm_put_volsw Cyclomatic Complexity 5 sound/soc/soc-dapm.c:snd_soc_dapm_get_enum_double Cyclomatic Complexity 8 sound/soc/soc-dapm.c:snd_soc_dapm_put_enum_double Cyclomatic Complexity 1 sound/soc/soc-dapm.c:snd_soc_dapm_info_pin_switch Cyclomatic Complexity 24 sound/soc/soc-dapm.c:snd_soc_dapm_new_control_unlocked Cyclomatic Complexity 13 sound/soc/soc-dapm.c:dapm_kcontrol_data_alloc Cyclomatic Complexity 14 sound/soc/soc-dapm.c:dapm_create_or_share_kcontrol Cyclomatic Complexity 9 sound/soc/soc-dapm.c:dapm_new_mixer Cyclomatic Complexity 10 sound/soc/soc-dapm.c:dapm_new_mux Cyclomatic Complexity 3 sound/soc/soc-dapm.c:dapm_new_pga Cyclomatic Complexity 13 sound/soc/soc-dapm.c:snd_soc_dapm_new_widgets Cyclomatic Complexity 6 sound/soc/soc-dapm.c:snd_soc_dapm_new_dai Cyclomatic Complexity 8 sound/soc/soc-dapm.c:dapm_connect_dai_link_widgets Cyclomatic Complexity 1 sound/soc/soc-dapm.c:snd_soc_dapm_new_control Cyclomatic Complexity 3 sound/soc/soc-dapm.c:snd_soc_dapm_new_controls Cyclomatic Complexity 6 sound/soc/soc-dapm.c:snd_soc_dapm_new_dai_widgets Cyclomatic Complexity 14 sound/soc/soc-dapm.c:snd_soc_dapm_link_dai_widgets Cyclomatic Complexity 5 sound/soc/soc-dapm.c:snd_soc_dapm_connect_dai_link_widgets Cyclomatic Complexity 1 sound/soc/soc-dapm.c:snd_soc_dapm_stream_event Cyclomatic Complexity 1 sound/soc/soc-dapm.c:snd_soc_dapm_enable_pin_unlocked Cyclomatic Complexity 1 sound/soc/soc-dapm.c:snd_soc_dapm_enable_pin Cyclomatic Complexity 3 sound/soc/soc-dapm.c:snd_soc_dapm_force_enable_pin_unlocked Cyclomatic Complexity 1 sound/soc/soc-dapm.c:snd_soc_dapm_force_enable_pin Cyclomatic Complexity 1 sound/soc/soc-dapm.c:snd_soc_dapm_disable_pin_unlocked Cyclomatic Complexity 1 sound/soc/soc-dapm.c:snd_soc_dapm_disable_pin Cyclomatic Complexity 2 sound/soc/soc-dapm.c:snd_soc_dapm_put_pin_switch Cyclomatic Complexity 1 sound/soc/soc-dapm.c:snd_soc_dapm_nc_pin_unlocked Cyclomatic Complexity 1 sound/soc/soc-dapm.c:snd_soc_dapm_nc_pin Cyclomatic Complexity 2 sound/soc/soc-dapm.c:snd_soc_dapm_get_pin_status Cyclomatic Complexity 1 sound/soc/soc-dapm.c:snd_soc_dapm_get_pin_switch Cyclomatic Complexity 2 sound/soc/soc-dapm.c:snd_soc_dapm_ignore_suspend Cyclomatic Complexity 1 sound/soc/soc-dapm.c:snd_soc_dapm_free Cyclomatic Complexity 7 sound/soc/soc-dapm.c:snd_soc_dapm_shutdown sound/soc/soc-dapm.c: In function 'snd_soc_dai_link_event':
sound/soc/soc-dapm.c:3768:9: warning: 'ret' may be used uninitialized in this function [-Wmaybe-uninitialized]
return ret; ^~~
vim +/ret +3768 sound/soc/soc-dapm.c
4ba1327a Mark Brown 2008-05-13 3613 c74184ed Mark Brown 2012-04-04 3614 static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w, c74184ed Mark Brown 2012-04-04 3615 struct snd_kcontrol *kcontrol, int event) c74184ed Mark Brown 2012-04-04 3616 { 4a75aae1 Charles Keepax 2018-09-05 3617 struct snd_soc_dapm_path *path; c74184ed Mark Brown 2012-04-04 3618 struct snd_soc_dai *source, *sink; 249dc495 Charles Keepax 2018-08-15 3619 struct snd_soc_pcm_runtime *rtd = w->priv; c6615082 Nikesh Oswal 2015-02-02 3620 const struct snd_soc_pcm_stream *config = w->params + w->params_select; c74184ed Mark Brown 2012-04-04 3621 struct snd_pcm_substream substream; 9747cec2 Mark Brown 2012-04-26 3622 struct snd_pcm_hw_params *params = NULL; 8053f216 Nicolin Chen 2016-07-26 3623 struct snd_pcm_runtime *runtime = NULL; 3ba66feb Takashi Iwai 2018-07-25 3624 unsigned int fmt; c74184ed Mark Brown 2012-04-04 3625 int ret; c74184ed Mark Brown 2012-04-04 3626 bf4edea8 Takashi Iwai 2013-11-07 3627 if (WARN_ON(!config) || a3423b02 Lars-Peter Clausen 2015-08-11 3628 WARN_ON(list_empty(&w->edges[SND_SOC_DAPM_DIR_OUT]) || a3423b02 Lars-Peter Clausen 2015-08-11 3629 list_empty(&w->edges[SND_SOC_DAPM_DIR_IN]))) bf4edea8 Takashi Iwai 2013-11-07 3630 return -EINVAL; c74184ed Mark Brown 2012-04-04 3631 c74184ed Mark Brown 2012-04-04 3632 /* Be a little careful as we don't want to overflow the mask array */ c74184ed Mark Brown 2012-04-04 3633 if (config->formats) { c74184ed Mark Brown 2012-04-04 3634 fmt = ffs(config->formats) - 1; c74184ed Mark Brown 2012-04-04 3635 } else { 30a6a1a4 Liam Girdwood 2012-11-19 3636 dev_warn(w->dapm->dev, "ASoC: Invalid format %llx specified\n", c74184ed Mark Brown 2012-04-04 3637 config->formats); c74184ed Mark Brown 2012-04-04 3638 fmt = 0; c74184ed Mark Brown 2012-04-04 3639 } c74184ed Mark Brown 2012-04-04 3640 c74184ed Mark Brown 2012-04-04 3641 /* Currently very limited parameter selection */ 9747cec2 Mark Brown 2012-04-26 3642 params = kzalloc(sizeof(*params), GFP_KERNEL); 9747cec2 Mark Brown 2012-04-26 3643 if (!params) { 9747cec2 Mark Brown 2012-04-26 3644 ret = -ENOMEM; 9747cec2 Mark Brown 2012-04-26 3645 goto out; 9747cec2 Mark Brown 2012-04-26 3646 } 9747cec2 Mark Brown 2012-04-26 3647 snd_mask_set(hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT), fmt); c74184ed Mark Brown 2012-04-04 3648 9747cec2 Mark Brown 2012-04-26 3649 hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE)->min = c74184ed Mark Brown 2012-04-04 3650 config->rate_min; 9747cec2 Mark Brown 2012-04-26 3651 hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE)->max = c74184ed Mark Brown 2012-04-04 3652 config->rate_max; c74184ed Mark Brown 2012-04-04 3653 9747cec2 Mark Brown 2012-04-26 3654 hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS)->min c74184ed Mark Brown 2012-04-04 3655 = config->channels_min; 9747cec2 Mark Brown 2012-04-26 3656 hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS)->max c74184ed Mark Brown 2012-04-04 3657 = config->channels_max; c74184ed Mark Brown 2012-04-04 3658 c74184ed Mark Brown 2012-04-04 3659 memset(&substream, 0, sizeof(substream)); c74184ed Mark Brown 2012-04-04 3660 8053f216 Nicolin Chen 2016-07-26 3661 /* Allocate a dummy snd_pcm_runtime for startup() and other ops() */ 8053f216 Nicolin Chen 2016-07-26 3662 runtime = kzalloc(sizeof(*runtime), GFP_KERNEL); 8053f216 Nicolin Chen 2016-07-26 3663 if (!runtime) { 8053f216 Nicolin Chen 2016-07-26 3664 ret = -ENOMEM; 8053f216 Nicolin Chen 2016-07-26 3665 goto out; 8053f216 Nicolin Chen 2016-07-26 3666 } 8053f216 Nicolin Chen 2016-07-26 3667 substream.runtime = runtime; 249dc495 Charles Keepax 2018-08-15 3668 substream.private_data = rtd; 8053f216 Nicolin Chen 2016-07-26 3669 c74184ed Mark Brown 2012-04-04 3670 switch (event) { c74184ed Mark Brown 2012-04-04 3671 case SND_SOC_DAPM_PRE_PMU: c74184ed Mark Brown 2012-04-04 3672 substream.stream = SNDRV_PCM_STREAM_CAPTURE; 4a75aae1 Charles Keepax 2018-09-05 3673 snd_soc_dapm_widget_for_each_source_path(w, path) { 4a75aae1 Charles Keepax 2018-09-05 3674 source = path->source->priv; 4a75aae1 Charles Keepax 2018-09-05 3675 9900a422 Kuninori Morimoto 2017-09-25 3676 if (source->driver->ops->startup) { 4a75aae1 Charles Keepax 2018-09-05 3677 ret = source->driver->ops->startup(&substream, 4a75aae1 Charles Keepax 2018-09-05 3678 source); 9b8ef9f6 Jeeja KP 2015-10-20 3679 if (ret < 0) { 9b8ef9f6 Jeeja KP 2015-10-20 3680 dev_err(source->dev, 4a75aae1 Charles Keepax 2018-09-05 3681 "ASoC: startup() failed: %d\n", 4a75aae1 Charles Keepax 2018-09-05 3682 ret); 9b8ef9f6 Jeeja KP 2015-10-20 3683 goto out; 9b8ef9f6 Jeeja KP 2015-10-20 3684 } 9b8ef9f6 Jeeja KP 2015-10-20 3685 source->active++; 9b8ef9f6 Jeeja KP 2015-10-20 3686 } 93e6958a Benoit Cousson 2014-07-08 3687 ret = soc_dai_hw_params(&substream, params, source); 93e6958a Benoit Cousson 2014-07-08 3688 if (ret < 0) 9747cec2 Mark Brown 2012-04-26 3689 goto out; 4a75aae1 Charles Keepax 2018-09-05 3690 } c74184ed Mark Brown 2012-04-04 3691 c74184ed Mark Brown 2012-04-04 3692 substream.stream = SNDRV_PCM_STREAM_PLAYBACK; 4a75aae1 Charles Keepax 2018-09-05 3693 snd_soc_dapm_widget_for_each_sink_path(w, path) { 4a75aae1 Charles Keepax 2018-09-05 3694 sink = path->sink->priv; 4a75aae1 Charles Keepax 2018-09-05 3695 9900a422 Kuninori Morimoto 2017-09-25 3696 if (sink->driver->ops->startup) { 4a75aae1 Charles Keepax 2018-09-05 3697 ret = sink->driver->ops->startup(&substream, 4a75aae1 Charles Keepax 2018-09-05 3698 sink); 9b8ef9f6 Jeeja KP 2015-10-20 3699 if (ret < 0) { 9b8ef9f6 Jeeja KP 2015-10-20 3700 dev_err(sink->dev, 4a75aae1 Charles Keepax 2018-09-05 3701 "ASoC: startup() failed: %d\n", 4a75aae1 Charles Keepax 2018-09-05 3702 ret); 9b8ef9f6 Jeeja KP 2015-10-20 3703 goto out; 9b8ef9f6 Jeeja KP 2015-10-20 3704 } 9b8ef9f6 Jeeja KP 2015-10-20 3705 sink->active++; 9b8ef9f6 Jeeja KP 2015-10-20 3706 } 93e6958a Benoit Cousson 2014-07-08 3707 ret = soc_dai_hw_params(&substream, params, sink); 93e6958a Benoit Cousson 2014-07-08 3708 if (ret < 0) 9747cec2 Mark Brown 2012-04-26 3709 goto out; 4a75aae1 Charles Keepax 2018-09-05 3710 } c74184ed Mark Brown 2012-04-04 3711 break; c74184ed Mark Brown 2012-04-04 3712 c74184ed Mark Brown 2012-04-04 3713 case SND_SOC_DAPM_POST_PMU: 4a75aae1 Charles Keepax 2018-09-05 3714 snd_soc_dapm_widget_for_each_sink_path(w, path) { 4a75aae1 Charles Keepax 2018-09-05 3715 sink = path->sink->priv; 4a75aae1 Charles Keepax 2018-09-05 3716 da18396f Mark Brown 2013-02-06 3717 ret = snd_soc_dai_digital_mute(sink, 0, da18396f Mark Brown 2013-02-06 3718 SNDRV_PCM_STREAM_PLAYBACK); c74184ed Mark Brown 2012-04-04 3719 if (ret != 0 && ret != -ENOTSUPP) 4a75aae1 Charles Keepax 2018-09-05 3720 dev_warn(sink->dev, 4a75aae1 Charles Keepax 2018-09-05 3721 "ASoC: Failed to unmute: %d\n", ret); 9747cec2 Mark Brown 2012-04-26 3722 ret = 0; 4a75aae1 Charles Keepax 2018-09-05 3723 } c74184ed Mark Brown 2012-04-04 3724 break; c74184ed Mark Brown 2012-04-04 3725 c74184ed Mark Brown 2012-04-04 3726 case SND_SOC_DAPM_PRE_PMD: 4a75aae1 Charles Keepax 2018-09-05 3727 snd_soc_dapm_widget_for_each_sink_path(w, path) { 4a75aae1 Charles Keepax 2018-09-05 3728 sink = path->sink->priv; 4a75aae1 Charles Keepax 2018-09-05 3729 da18396f Mark Brown 2013-02-06 3730 ret = snd_soc_dai_digital_mute(sink, 1, da18396f Mark Brown 2013-02-06 3731 SNDRV_PCM_STREAM_PLAYBACK); c74184ed Mark Brown 2012-04-04 3732 if (ret != 0 && ret != -ENOTSUPP) 4a75aae1 Charles Keepax 2018-09-05 3733 dev_warn(sink->dev, 4a75aae1 Charles Keepax 2018-09-05 3734 "ASoC: Failed to mute: %d\n", ret); 9747cec2 Mark Brown 2012-04-26 3735 ret = 0; 4a75aae1 Charles Keepax 2018-09-05 3736 } 4a75aae1 Charles Keepax 2018-09-05 3737 4a75aae1 Charles Keepax 2018-09-05 3738 snd_soc_dapm_widget_for_each_source_path(w, path) { 4a75aae1 Charles Keepax 2018-09-05 3739 source = path->source->priv; 9b8ef9f6 Jeeja KP 2015-10-20 3740 9b8ef9f6 Jeeja KP 2015-10-20 3741 source->active--; 9900a422 Kuninori Morimoto 2017-09-25 3742 if (source->driver->ops->shutdown) { 9b8ef9f6 Jeeja KP 2015-10-20 3743 substream.stream = SNDRV_PCM_STREAM_CAPTURE; 4a75aae1 Charles Keepax 2018-09-05 3744 source->driver->ops->shutdown(&substream, 4a75aae1 Charles Keepax 2018-09-05 3745 source); 4a75aae1 Charles Keepax 2018-09-05 3746 } 9b8ef9f6 Jeeja KP 2015-10-20 3747 } 9b8ef9f6 Jeeja KP 2015-10-20 3748 4a75aae1 Charles Keepax 2018-09-05 3749 snd_soc_dapm_widget_for_each_sink_path(w, path) { 4a75aae1 Charles Keepax 2018-09-05 3750 sink = path->sink->priv; 4a75aae1 Charles Keepax 2018-09-05 3751 9b8ef9f6 Jeeja KP 2015-10-20 3752 sink->active--; 9900a422 Kuninori Morimoto 2017-09-25 3753 if (sink->driver->ops->shutdown) { 9b8ef9f6 Jeeja KP 2015-10-20 3754 substream.stream = SNDRV_PCM_STREAM_PLAYBACK; 9b8ef9f6 Jeeja KP 2015-10-20 3755 sink->driver->ops->shutdown(&substream, sink); 9b8ef9f6 Jeeja KP 2015-10-20 3756 } 4a75aae1 Charles Keepax 2018-09-05 3757 } c74184ed Mark Brown 2012-04-04 3758 break; c74184ed Mark Brown 2012-04-04 3759 c74184ed Mark Brown 2012-04-04 3760 default: a6ed0608 Takashi Iwai 2013-11-06 3761 WARN(1, "Unknown event %d\n", event); 75881df3 Sudip Mukherjee 2015-09-10 3762 ret = -EINVAL; c74184ed Mark Brown 2012-04-04 3763 } c74184ed Mark Brown 2012-04-04 3764 9747cec2 Mark Brown 2012-04-26 3765 out: 8053f216 Nicolin Chen 2016-07-26 3766 kfree(runtime); 9747cec2 Mark Brown 2012-04-26 3767 kfree(params); 9747cec2 Mark Brown 2012-04-26 @3768 return ret; c74184ed Mark Brown 2012-04-04 3769 } c74184ed Mark Brown 2012-04-04 3770
:::::: The code at line 3768 was first introduced by commit :::::: 9747cec21e2d55ee996249b01ec30dd32389c0ba ASoC: dapm: Move CODEC<->CODEC params off stack
:::::: TO: Mark Brown broonie@opensource.wolfsonmicro.com :::::: CC: Mark Brown broonie@opensource.wolfsonmicro.com
--- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
On Thu, Sep 06, 2018 at 07:46:38PM +0800, kbuild test robot wrote:
tree: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-4.20 head: 9ab708aef61f5620113269a9d1bdb1543d1207d0 commit: 4a75aae17b2a802a7267206414050408392c374c [399/404] ASoC: dapm: Add support for multi-CODEC CODEC to CODEC links config: x86_64-randconfig-x006-201835 (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 reproduce: git checkout 4a75aae17b2a802a7267206414050408392c374c # save the attached .config to linux build tree make ARCH=x86_64
sound/soc/soc-dapm.c: In function 'snd_soc_dai_link_event':
sound/soc/soc-dapm.c:3768:9: warning: 'ret' may be used uninitialized in this function [-Wmaybe-uninitialized]
return ret; ^~~
Odd didn't show up on my system, guess I need to update my GCC. Apologies will get a fixup patch out shortly.
Thanks, Charles
participants (2)
-
Charles Keepax
-
kbuild test robot