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-allmodconfig (https://download.01.org/0day-ci/archive/20250215/202502150149.mKpbIR83-lkp@xxxxxxxxx/config) compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250215/202502150149.mKpbIR83-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/202502150149.mKpbIR83-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from sound/usb/qcom/mixer_usb_offload.c:6: In file included from include/linux/usb.h:19: In file included from include/linux/device.h:32: In file included from include/linux/device/driver.h:21: In file included from include/linux/module.h:19: In file included from include/linux/elf.h:6: In file included from arch/s390/include/asm/elf.h:181: In file included from arch/s390/include/asm/mmu_context.h:11: In file included from arch/s390/include/asm/pgalloc.h:18: In file included from include/linux/mm.h:2224: include/linux/vmstat.h:504:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 504 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 505 | item]; | ~~~~ include/linux/vmstat.h:511:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 511 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 512 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:524:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 524 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 525 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ >> sound/usb/qcom/mixer_usb_offload.c:131:3: warning: 'sprintf' will always overflow; destination buffer has size 34, but format string expands to at least 38 [-Wformat-overflow] 131 | sprintf(ctl_name, "USB Offload Playback Card Route PCM#%d", | ^ sound/usb/qcom/mixer_usb_offload.c:147:3: warning: 'sprintf' will always overflow; destination buffer has size 34, but format string expands to at least 37 [-Wformat-overflow] 147 | sprintf(ctl_name, "USB Offload Playback PCM Route PCM#%d", | ^ 5 warnings generated. vim +/sprintf +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", -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
