tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 555f3d7be91a873114c9656069f1a9fa476ec41a commit: 87924c5b4094f195507bebcab96e141e48c947d7 ata: sata_fsl: add compile test support date: 5 weeks ago compiler: powerpc-linux-gcc (GCC) 11.2.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; cppcheck warnings: (new ones prefixed by >>) if (sscanf(buf, "%d%d", ^ drivers/ata/sata_fsl.c:335:6: warning: %d in format string (no. 2) requires 'int *' but the argument type is 'unsigned int *'. [invalidScanfArgType_int] if (sscanf(buf, "%d%d", ^ drivers/ata/sata_fsl.c:376:6: warning: %d in format string (no. 1) requires 'int *' but the argument type is 'unsigned int *'. [invalidScanfArgType_int] if (sscanf(buf, "%d", &rx_watermark) != 1) { ^ vim +335 drivers/ata/sata_fsl.c 6b4b8fc87dc5cbf Qiang Liu 2012-02-15 328 6b4b8fc87dc5cbf Qiang Liu 2012-02-15 329 static ssize_t fsl_sata_intr_coalescing_store(struct device *dev, 6b4b8fc87dc5cbf Qiang Liu 2012-02-15 330 struct device_attribute *attr, 6b4b8fc87dc5cbf Qiang Liu 2012-02-15 331 const char *buf, size_t count) 6b4b8fc87dc5cbf Qiang Liu 2012-02-15 332 { 6b4b8fc87dc5cbf Qiang Liu 2012-02-15 333 unsigned int coalescing_count, coalescing_ticks; 6b4b8fc87dc5cbf Qiang Liu 2012-02-15 334 6b4b8fc87dc5cbf Qiang Liu 2012-02-15 @335 if (sscanf(buf, "%d%d", 6b4b8fc87dc5cbf Qiang Liu 2012-02-15 336 &coalescing_count, 6b4b8fc87dc5cbf Qiang Liu 2012-02-15 337 &coalescing_ticks) != 2) { 6b4b8fc87dc5cbf Qiang Liu 2012-02-15 338 printk(KERN_ERR "fsl-sata: wrong parameter format.\n"); 6b4b8fc87dc5cbf Qiang Liu 2012-02-15 339 return -EINVAL; 6b4b8fc87dc5cbf Qiang Liu 2012-02-15 340 } 6b4b8fc87dc5cbf Qiang Liu 2012-02-15 341 6b4b8fc87dc5cbf Qiang Liu 2012-02-15 342 fsl_sata_set_irq_coalescing(dev_get_drvdata(dev), 6b4b8fc87dc5cbf Qiang Liu 2012-02-15 343 coalescing_count, coalescing_ticks); 6b4b8fc87dc5cbf Qiang Liu 2012-02-15 344 6b4b8fc87dc5cbf Qiang Liu 2012-02-15 345 return strlen(buf); 6b4b8fc87dc5cbf Qiang Liu 2012-02-15 346 } 6b4b8fc87dc5cbf Qiang Liu 2012-02-15 347 :::::: The code at line 335 was first introduced by commit :::::: 6b4b8fc87dc5cbfcfb5c749dc200906471fb854c sata_fsl: add support for interrupt coalsecing feature :::::: TO: Qiang Liu <qiang.liu(a)freescale.com&gt; :::::: CC: Jeff Garzik <jgarzik(a)redhat.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org