tree: https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git for-next head: 61bc4deff033181992408f973b48fca08757d3ff commit: 61bc4deff033181992408f973b48fca08757d3ff [11/11] ALSA: pcm: replace simple_strtoul to kstrtoul config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20240901/202409010425.YPS7cWeJ-lkp@i...) compiler: sh4-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240901/202409010425.YPS7cWeJ-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/202409010425.YPS7cWeJ-lkp@intel.com/

All errors (new ones prefixed by >>):

sound/core/pcm_memory.c: In function 'snd_pcm_lib_preallocate_proc_write':

...

sound/core/pcm_memory.c:196:51: error: passing argument 3 of 'kstrtoul' from incompatible pointer type [-Wincompatible-pointer-types]

196 | buffer->error = kstrtoul(str, 10, &size); | ^~~~~ | | | size_t * {aka unsigned int *} In file included from include/linux/kernel.h:25, from arch/sh/include/asm/fixmap.h:13, from arch/sh/include/asm/pgtable.h:22, from include/linux/pgtable.h:6, from arch/sh/include/asm/io.h:21, from include/linux/io.h:14, from sound/core/pcm_memory.c:7: include/linux/kstrtox.h:30:90: note: expected 'long unsigned int *' but argument is of type 'size_t *' {aka 'unsigned int *'} 30 | static inline int __must_check kstrtoul(const char *s, unsigned int base, unsigned long *res) | ~~~~~~~~~~~~~~~^~~

vim +/kstrtoul +196 sound/core/pcm_memory.c

174 175 /* 176 * write callback for prealloc proc file 177 * 178 * accepts the preallocation size in kB. 179 */ 180 static void snd_pcm_lib_preallocate_proc_write(struct snd_info_entry *entry, 181 struct snd_info_buffer *buffer) 182 { 183 struct snd_pcm_substream *substream = entry->private_data; 184 struct snd_card *card = substream->pcm->card; 185 char line[64], str[64]; 186 size_t size; 187 struct snd_dma_buffer new_dmab; 188 189 guard(mutex)(&substream->pcm->open_mutex); 190 if (substream->runtime) { 191 buffer->error = -EBUSY; 192 return; 193 } 194 if (!snd_info_get_line(buffer, line, sizeof(line))) { 195 snd_info_get_str(str, line, sizeof(str));

196 buffer->error = kstrtoul(str, 10, &size);

197 if (buffer->error != 0) 198 return; 199 size *= 1024; 200 if ((size != 0 && size < 8192) || size > substream->dma_max) { 201 buffer->error = -EINVAL; 202 return; 203 } 204 if (substream->dma_buffer.bytes == size) 205 return; 206 memset(&new_dmab, 0, sizeof(new_dmab)); 207 new_dmab.dev = substream->dma_buffer.dev; 208 if (size > 0) { 209 if (do_alloc_pages(card, 210 substream->dma_buffer.dev.type, 211 substream->dma_buffer.dev.dev, 212 substream->stream, 213 size, &new_dmab) < 0) { 214 buffer->error = -ENOMEM; 215 pr_debug("ALSA pcmC%dD%d%c,%d:%s: cannot preallocate for size %zu\n", 216 substream->pcm->card->number, substream->pcm->device, 217 substream->stream ? 'c' : 'p', substream->number, 218 substream->pcm->name, size); 219 return; 220 } 221 substream->buffer_bytes_max = size; 222 } else { 223 substream->buffer_bytes_max = UINT_MAX; 224 } 225 if (substream->dma_buffer.area) 226 do_free_pages(card, &substream->dma_buffer); 227 substream->dma_buffer = new_dmab; 228 } else { 229 buffer->error = -EINVAL; 230 } 231 } 232