tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing head: c26f6731b8da887f1fb92d4654da57a19a266466 commit: b8a7c987d82f97c4a9929a395923e5a2242cdaf5 [51/52] ALSA: usb-audio: qcom: Add USB offload route kcontrol config: s390-allyesconfig (https://download.01.org/0day-ci/archive/20250215/202502150150.d6QBeC0r-lkp@xxxxxxxxx/config) compiler: s390-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250215/202502150150.d6QBeC0r-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202502150150.d6QBeC0r-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): sound/usb/qcom/mixer_usb_offload.c: In function 'snd_usb_offload_create_ctl': >> sound/usb/qcom/mixer_usb_offload.c:131:70: warning: 'USB Offload Playback Card Ro...' directive writing 36 bytes into a region of size 34 [-Wformat-overflow=] 131 | sprintf(ctl_name, "USB Offload Playback Card Route PCM#%d", | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~ sound/usb/qcom/mixer_usb_offload.c:131:17: note: 'sprintf' output between 38 and 48 bytes into a destination of size 34 131 | sprintf(ctl_name, "USB Offload Playback Card Route PCM#%d", | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 132 | as->pcm_index); | ~~~~~~~~~~~~~~ >> sound/usb/qcom/mixer_usb_offload.c:147:70: warning: 'USB Offload Playback PCM Rou...' directive writing 35 bytes into a region of size 34 [-Wformat-overflow=] 147 | sprintf(ctl_name, "USB Offload Playback PCM Route PCM#%d", | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^ sound/usb/qcom/mixer_usb_offload.c:147:17: note: 'sprintf' output between 37 and 47 bytes into a destination of size 34 147 | sprintf(ctl_name, "USB Offload Playback PCM Route PCM#%d", | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 148 | as->pcm_index); | ~~~~~~~~~~~~~~ vim +131 sound/usb/qcom/mixer_usb_offload.c 100 101 /** 102 * snd_usb_offload_create_ctl() - Add USB offload bounded mixer 103 * @chip: USB SND chip device 104 * 105 * Creates a sound control for a USB audio device, so that applications can 106 * query for if there is an available USB audio offload path, and which 107 * card is managing it. 108 */ 109 int snd_usb_offload_create_ctl(struct snd_usb_audio *chip) 110 { 111 struct usb_device *udev = chip->dev; 112 struct snd_kcontrol_new *chip_kctl; 113 struct snd_usb_substream *subs; 114 struct snd_usb_stream *as; 115 char ctl_name[34]; 116 int ret; 117 118 list_for_each_entry(as, &chip->pcm_list, list) { 119 subs = &as->substream[SNDRV_PCM_STREAM_PLAYBACK]; 120 if (!subs->ep_num || as->pcm_index > 0xff) 121 continue; 122 123 chip_kctl = &snd_usb_offload_mapped_card_ctl; 124 chip_kctl->count = 1; 125 /* 126 * Store the associated USB SND card number and PCM index for 127 * the kctl. 128 */ 129 chip_kctl->private_value = as->pcm_index | 130 chip->card->number << 16; > 131 sprintf(ctl_name, "USB Offload Playback Card Route PCM#%d", 132 as->pcm_index); 133 chip_kctl->name = ctl_name; 134 ret = snd_ctl_add(chip->card, snd_ctl_new1(chip_kctl, 135 udev->bus->sysdev)); 136 if (ret < 0) 137 break; 138 139 chip_kctl = &snd_usb_offload_mapped_pcm_ctl; 140 chip_kctl->count = 1; 141 /* 142 * Store the associated USB SND card number and PCM index for 143 * the kctl. 144 */ 145 chip_kctl->private_value = as->pcm_index | 146 chip->card->number << 16; > 147 sprintf(ctl_name, "USB Offload Playback PCM Route PCM#%d", -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
