tree: https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git for-next head: 43b42ed438bfff6bb5a51cc27a1658c03cd223fd commit: 43b42ed438bfff6bb5a51cc27a1658c03cd223fd [12/12] ALSA: pcm: Fix the previous conversion to kstrtoul() config: i386-buildonly-randconfig-002-20240902 (https://download.01.org/0day-ci/archive/20240902/202409020722.T2ymGxmq-lkp@i...) compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240902/202409020722.T2ymGxmq-lkp@i...)

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@intel.com | Closes: https://lore.kernel.org/oe-kbuild-all/202409020722.T2ymGxmq-lkp@intel.com/

All warnings (new ones prefixed by >>):

...

sound/core/pcm_memory.c:218:29: warning: format specifies type 'size_t' (aka 'unsigned int') but the argument has type 'unsigned long' [-Wformat]

215 | pr_debug("ALSA pcmC%dD%d%c,%d:%s: cannot preallocate for size %zu\n", | ~~~ | %lu 216 | substream->pcm->card->number, substream->pcm->device, 217 | substream->stream ? 'c' : 'p', substream->number, 218 | substream->pcm->name, size); | ^~~~ include/linux/printk.h:595:38: note: expanded from macro 'pr_debug' 595 | no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__) | ~~~ ^~~~~~~~~~~ include/linux/printk.h:133:18: note: expanded from macro 'no_printk' 133 | _printk(fmt, ##__VA_ARGS__); \ | ~~~ ^~~~~~~~~~~ 1 warning generated.

vim +218 sound/core/pcm_memory.c

c7132aeb72ad11 Jaroslav Kysela 2006-10-06 174 ^1da177e4c3f41 Linus Torvalds 2005-04-16 175 /* ^1da177e4c3f41 Linus Torvalds 2005-04-16 176 * write callback for prealloc proc file ^1da177e4c3f41 Linus Torvalds 2005-04-16 177 * ^1da177e4c3f41 Linus Torvalds 2005-04-16 178 * accepts the preallocation size in kB. ^1da177e4c3f41 Linus Torvalds 2005-04-16 179 */ 877211f5e1b119 Takashi Iwai 2005-11-17 180 static void snd_pcm_lib_preallocate_proc_write(struct snd_info_entry *entry, 877211f5e1b119 Takashi Iwai 2005-11-17 181 struct snd_info_buffer *buffer) ^1da177e4c3f41 Linus Torvalds 2005-04-16 182 { 877211f5e1b119 Takashi Iwai 2005-11-17 183 struct snd_pcm_substream *substream = entry->private_data; d4cfb30fce0309 Takashi Iwai 2020-01-20 184 struct snd_card *card = substream->pcm->card; ^1da177e4c3f41 Linus Torvalds 2005-04-16 185 char line[64], str[64]; 43b42ed438bfff Takashi Iwai 2024-09-01 186 unsigned long size; ^1da177e4c3f41 Linus Torvalds 2005-04-16 187 struct snd_dma_buffer new_dmab; ^1da177e4c3f41 Linus Torvalds 2005-04-16 188 dd0da75b9a2768 Takashi Iwai 2024-02-27 189 guard(mutex)(&substream->pcm->open_mutex); ^1da177e4c3f41 Linus Torvalds 2005-04-16 190 if (substream->runtime) { ^1da177e4c3f41 Linus Torvalds 2005-04-16 191 buffer->error = -EBUSY; dd0da75b9a2768 Takashi Iwai 2024-02-27 192 return; ^1da177e4c3f41 Linus Torvalds 2005-04-16 193 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 194 if (!snd_info_get_line(buffer, line, sizeof(line))) { ^1da177e4c3f41 Linus Torvalds 2005-04-16 195 snd_info_get_str(str, line, sizeof(str)); 61bc4deff03318 Hongbo Li 2024-08-31 196 buffer->error = kstrtoul(str, 10, &size); 61bc4deff03318 Hongbo Li 2024-08-31 197 if (buffer->error != 0) 61bc4deff03318 Hongbo Li 2024-08-31 198 return; 61bc4deff03318 Hongbo Li 2024-08-31 199 size *= 1024; ^1da177e4c3f41 Linus Torvalds 2005-04-16 200 if ((size != 0 && size < 8192) || size > substream->dma_max) { ^1da177e4c3f41 Linus Torvalds 2005-04-16 201 buffer->error = -EINVAL; dd0da75b9a2768 Takashi Iwai 2024-02-27 202 return; ^1da177e4c3f41 Linus Torvalds 2005-04-16 203 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 204 if (substream->dma_buffer.bytes == size) dd0da75b9a2768 Takashi Iwai 2024-02-27 205 return; ^1da177e4c3f41 Linus Torvalds 2005-04-16 206 memset(&new_dmab, 0, sizeof(new_dmab)); ^1da177e4c3f41 Linus Torvalds 2005-04-16 207 new_dmab.dev = substream->dma_buffer.dev; ^1da177e4c3f41 Linus Torvalds 2005-04-16 208 if (size > 0) { d4cfb30fce0309 Takashi Iwai 2020-01-20 209 if (do_alloc_pages(card, d4cfb30fce0309 Takashi Iwai 2020-01-20 210 substream->dma_buffer.dev.type, ^1da177e4c3f41 Linus Torvalds 2005-04-16 211 substream->dma_buffer.dev.dev, a25684a956468e Takashi Iwai 2021-10-17 212 substream->stream, ^1da177e4c3f41 Linus Torvalds 2005-04-16 213 size, &new_dmab) < 0) { ^1da177e4c3f41 Linus Torvalds 2005-04-16 214 buffer->error = -ENOMEM; dc85fc9d05d235 Amadeusz Sławiński 2021-03-18 215 pr_debug("ALSA pcmC%dD%d%c,%d:%s: cannot preallocate for size %zu\n", dc85fc9d05d235 Amadeusz Sławiński 2021-03-18 216 substream->pcm->card->number, substream->pcm->device, dc85fc9d05d235 Amadeusz Sławiński 2021-03-18 217 substream->stream ? 'c' : 'p', substream->number, dc85fc9d05d235 Amadeusz Sławiński 2021-03-18 @218 substream->pcm->name, size); dd0da75b9a2768 Takashi Iwai 2024-02-27 219 return; ^1da177e4c3f41 Linus Torvalds 2005-04-16 220 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 221 substream->buffer_bytes_max = size; ^1da177e4c3f41 Linus Torvalds 2005-04-16 222 } else { ^1da177e4c3f41 Linus Torvalds 2005-04-16 223 substream->buffer_bytes_max = UINT_MAX; ^1da177e4c3f41 Linus Torvalds 2005-04-16 224 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 225 if (substream->dma_buffer.area) d4cfb30fce0309 Takashi Iwai 2020-01-20 226 do_free_pages(card, &substream->dma_buffer); ^1da177e4c3f41 Linus Torvalds 2005-04-16 227 substream->dma_buffer = new_dmab; ^1da177e4c3f41 Linus Torvalds 2005-04-16 228 } else { ^1da177e4c3f41 Linus Torvalds 2005-04-16 229 buffer->error = -EINVAL; ^1da177e4c3f41 Linus Torvalds 2005-04-16 230 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 231 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 232

:::::: The code at line 218 was first introduced by commit :::::: dc85fc9d05d23591ddfde400c817413765611ec7 ALSA: pcm: Add debug print on memory allocation failure

:::::: TO: Amadeusz Sławiński amadeuszx.slawinski@linux.intel.com :::::: CC: Takashi Iwai tiwai@suse.de