Fix cppcheck, the fallthrough only makes sense within the conditional
block
sound/core/memalloc.c:161:3: style:inconclusive: Statements following
return, break, continue, goto or throw will never be
executed. [unreachableCode]
  fallthrough;
  ^
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20200902212133.30964-3-pierre-louis.bossart@linux.intel.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
                 * so if we fail to malloc, try to fetch memory traditionally.
                 */
                dmab->dev.type = SNDRV_DMA_TYPE_DEV;
-#endif /* CONFIG_GENERIC_ALLOCATOR */
                fallthrough;
+#endif /* CONFIG_GENERIC_ALLOCATOR */
        case SNDRV_DMA_TYPE_DEV:
        case SNDRV_DMA_TYPE_DEV_UC:
                snd_malloc_dev_pages(dmab, size);