Hi Krzysztof,
kernel test robot noticed the following build warnings:
[auto build test WARNING on linus/master] [also build test WARNING on v6.9 next-20240523] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Krzysztof-Ol-dzki/ata-libata-... base: linus/master patch link: https://lore.kernel.org/r/a116c331-530e-4d45-a32c-37c57542724a%40ans.pl patch subject: [PATCH] ata: libata: restore visibility of important messages config: alpha-defconfig (https://download.01.org/0day-ci/archive/20240526/202405261642.ya8nqExt-lkp@i...) compiler: alpha-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240526/202405261642.ya8nqExt-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/202405261642.ya8nqExt-lkp@intel.com/
All warnings (new ones prefixed by >>):
drivers/ata/libata-core.c: In function 'ata_dev_config_ncq.constprop':
drivers/ata/libata-core.c:2345:74: warning: 'NCQ (not used - known buggy ...' directive output truncated writing 48 bytes into a region of size 32 [-Wformat-truncation=]
2345 | snprintf(desc, desc_sz, "NCQ (not used - known buggy device/host adapter)"); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~ drivers/ata/libata-core.c:2345:17: note: 'snprintf' output 49 bytes into a destination of size 32 2345 | snprintf(desc, desc_sz, "NCQ (not used - known buggy device/host adapter)"); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/ata/libata-core.c:2339:74: warning: 'NCQ (not used - known buggy ...' directive output truncated writing 35 bytes into a region of size 32 [-Wformat-truncation=] 2339 | snprintf(desc, desc_sz, "NCQ (not used - known buggy device)"); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~ drivers/ata/libata-core.c:2339:17: note: 'snprintf' output 36 bytes into a destination of size 32 2339 | snprintf(desc, desc_sz, "NCQ (not used - known buggy device)"); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
vim +2345 drivers/ata/libata-core.c
2323 2324 static int ata_dev_config_ncq(struct ata_device *dev, 2325 char *desc, size_t desc_sz) 2326 { 2327 struct ata_port *ap = dev->link->ap; 2328 int hdepth = 0, ddepth = ata_id_queue_depth(dev->id); 2329 unsigned int err_mask; 2330 char *aa_desc = ""; 2331 2332 if (!ata_id_has_ncq(dev->id)) { 2333 desc[0] = '\0'; 2334 return 0; 2335 } 2336 if (!IS_ENABLED(CONFIG_SATA_HOST)) 2337 return 0; 2338 if (dev->horkage & ATA_HORKAGE_NONCQ) { 2339 snprintf(desc, desc_sz, "NCQ (not used - known buggy device)"); 2340 return 0; 2341 } 2342 2343 if (dev->horkage & ATA_HORKAGE_NO_NCQ_ON_ATI && 2344 ata_dev_check_adapter(dev, PCI_VENDOR_ID_ATI)) {
2345 snprintf(desc, desc_sz, "NCQ (not used - known buggy device/host adapter)");
2346 return 0; 2347 } 2348 2349 if (ap->flags & ATA_FLAG_NCQ) { 2350 hdepth = min(ap->scsi_host->can_queue, ATA_MAX_QUEUE); 2351 dev->flags |= ATA_DFLAG_NCQ; 2352 } 2353 2354 if (!(dev->horkage & ATA_HORKAGE_BROKEN_FPDMA_AA) && 2355 (ap->flags & ATA_FLAG_FPDMA_AA) && 2356 ata_id_has_fpdma_aa(dev->id)) { 2357 err_mask = ata_dev_set_feature(dev, SETFEATURES_SATA_ENABLE, 2358 SATA_FPDMA_AA); 2359 if (err_mask) { 2360 ata_dev_err(dev, 2361 "failed to enable AA (error_mask=0x%x)\n", 2362 err_mask); 2363 if (err_mask != AC_ERR_DEV) { 2364 dev->horkage |= ATA_HORKAGE_BROKEN_FPDMA_AA; 2365 return -EIO; 2366 } 2367 } else 2368 aa_desc = ", AA"; 2369 } 2370 2371 if (hdepth >= ddepth) 2372 snprintf(desc, desc_sz, "NCQ (depth %d)%s", ddepth, aa_desc); 2373 else 2374 snprintf(desc, desc_sz, "NCQ (depth %d/%d)%s", hdepth, 2375 ddepth, aa_desc); 2376 2377 if ((ap->flags & ATA_FLAG_FPDMA_AUX)) { 2378 if (ata_id_has_ncq_send_and_recv(dev->id)) 2379 ata_dev_config_ncq_send_recv(dev); 2380 if (ata_id_has_ncq_non_data(dev->id)) 2381 ata_dev_config_ncq_non_data(dev); 2382 if (ata_id_has_ncq_prio(dev->id)) 2383 ata_dev_config_ncq_prio(dev); 2384 } 2385 2386 return 0; 2387 } 2388