From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8621618E776 for ; Mon, 29 Jul 2024 22:09:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.9 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722290949; cv=none; b=B+8jjp0ak8ZYldbJf/HEwVr/tFOLAShuVS+SMcl4SEg0+2M3EY7Q/dZ6bz7dFud674ljQofAlseUlS5QOIPc7e5P1qX9GngaZBU+L0GTi8zv1zQ6MvmT0iHyEqGuGAjxqTtH+XYO0jMGx8lQuMQEQUj1i5PWRxfYidDWulRJI+U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722290949; c=relaxed/simple; bh=/R/gLSYAJ25dSaQ8oF89ox+wvwjc4z2AyAcZjWIZIEY=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=Fu6KAEej9TCP57h3TxEd0ZH4tGM2jwzd3NrIY1eYQD0EiNZfoDrhSi/4SQKmE0/J6E82z2TQLun6Gkr8Nkg+SAsZsOEZVAcQxHwP7ElvXNMslLaH6xyNx8yjWJlSGTX5gXOTE8QwxkBqnfjMVVCLO3FH3c8sW0OP3ZURdUaMPhE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=bU4hgrff; arc=none smtp.client-ip=198.175.65.9 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="bU4hgrff" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1722290947; x=1753826947; h=date:from:to:cc:subject:message-id:mime-version; bh=/R/gLSYAJ25dSaQ8oF89ox+wvwjc4z2AyAcZjWIZIEY=; b=bU4hgrff22C2jmrULJyPiDhL3TjPyoviPmHth/KJHkhOK8Mk7bWbbc6r 0clPjdEbZg5KhbmPIi399N5ZZZjd57gWkW+P8UnhHKuNhWyxMXOJTB1Hg sjHkYMFG4q5ca/m1pNxLkh6LpSzlGyVSPwWo3MflYW9RyZLt26dlqwqke NQs6hVe+8T4K7w4UiwL6thJgx4+k2fbuhPR6EdME972CBZ/KuGq1RIK2g GQdSAyXRdgFeSAh1vUVeydD0Hnjd8aY1H+4hbZlaN0ojR70pxrUbUYY9b uyF6OHmELWTvg3sCQknPGUkzGdwHt3o+0HG5no+UDl3gyHXXhWjqOHN23 w==; X-CSE-ConnectionGUID: swtMUSfDSy6mltJ+tHhAmA== X-CSE-MsgGUID: FhUrxkftQhGX4AL590zOqg== X-IronPort-AV: E=McAfee;i="6700,10204,11148"; a="42604878" X-IronPort-AV: E=Sophos;i="6.09,247,1716274800"; d="scan'208";a="42604878" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Jul 2024 15:09:06 -0700 X-CSE-ConnectionGUID: 1p482hqFTMSBIYLLxfFnOg== X-CSE-MsgGUID: owAy2lN+TzaRRNM4tWMKOg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.09,247,1716274800"; d="scan'208";a="53766358" Received: from lkp-server01.sh.intel.com (HELO 68891e0c336b) ([10.239.97.150]) by fmviesa006.fm.intel.com with ESMTP; 29 Jul 2024 15:09:04 -0700 Received: from kbuild by 68891e0c336b with local (Exim 4.96) (envelope-from ) id 1sYYYA-000s7S-1I; Mon, 29 Jul 2024 22:09:02 +0000 Date: Tue, 30 Jul 2024 06:08:53 +0800 From: kernel test robot To: Krishna Kurapati Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Johan Hovold Subject: drivers/usb/dwc3/core.c:1499:47: warning: '%u' directive output may be truncated writing between 1 and 10 bytes into a region of size 4 Message-ID: <202407300647.A8UggFiR-lkp@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 6b5faec9f564ea627c66064a4a6a5904fe5a07dd commit: 3f12222a4bebeb13ce06ddecc1610ad32fa835dd usb: dwc3: core: Fix compile warning on s390 gcc in dwc3_get_phy call date: 3 months ago config: x86_64-randconfig-071-20240730 (https://download.01.org/0day-ci/archive/20240730/202407300647.A8UggFiR-lkp@intel.com/config) compiler: gcc-8 (Ubuntu 8.4.0-3ubuntu2) 8.4.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240730/202407300647.A8UggFiR-lkp@intel.com/reproduce) 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 | Closes: https://lore.kernel.org/oe-kbuild-all/202407300647.A8UggFiR-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/usb/dwc3/core.c: In function 'dwc3_core_init': >> drivers/usb/dwc3/core.c:1499:47: warning: '%u' directive output may be truncated writing between 1 and 10 bytes into a region of size 4 [-Wformat-truncation=] snprintf(phy_name, sizeof(phy_name), "usb3-%u", i); ^~ drivers/usb/dwc3/core.c:1499:41: note: directive argument in the range [0, 2147483647] snprintf(phy_name, sizeof(phy_name), "usb3-%u", i); ^~~~~~~~~ drivers/usb/dwc3/core.c:1499:4: note: 'snprintf' output between 7 and 16 bytes into a destination of size 9 snprintf(phy_name, sizeof(phy_name), "usb3-%u", i); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/usb/dwc3/core.c:1482:48: warning: '%u' directive output may be truncated writing between 1 and 10 bytes into a region of size 4 [-Wformat-truncation=] snprintf(phy_name, sizeof(phy_name), "usb2-%u", i); ^~ drivers/usb/dwc3/core.c:1482:42: note: directive argument in the range [0, 2147483647] snprintf(phy_name, sizeof(phy_name), "usb2-%u", i); ^~~~~~~~~ drivers/usb/dwc3/core.c:1482:4: note: 'snprintf' output between 7 and 16 bytes into a destination of size 9 snprintf(phy_name, sizeof(phy_name), "usb2-%u", i); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +1499 drivers/usb/dwc3/core.c 1445 1446 static int dwc3_core_get_phy(struct dwc3 *dwc) 1447 { 1448 struct device *dev = dwc->dev; 1449 struct device_node *node = dev->of_node; 1450 char phy_name[9]; 1451 int ret; 1452 u8 i; 1453 1454 if (node) { 1455 dwc->usb2_phy = devm_usb_get_phy_by_phandle(dev, "usb-phy", 0); 1456 dwc->usb3_phy = devm_usb_get_phy_by_phandle(dev, "usb-phy", 1); 1457 } else { 1458 dwc->usb2_phy = devm_usb_get_phy(dev, USB_PHY_TYPE_USB2); 1459 dwc->usb3_phy = devm_usb_get_phy(dev, USB_PHY_TYPE_USB3); 1460 } 1461 1462 if (IS_ERR(dwc->usb2_phy)) { 1463 ret = PTR_ERR(dwc->usb2_phy); 1464 if (ret == -ENXIO || ret == -ENODEV) 1465 dwc->usb2_phy = NULL; 1466 else 1467 return dev_err_probe(dev, ret, "no usb2 phy configured\n"); 1468 } 1469 1470 if (IS_ERR(dwc->usb3_phy)) { 1471 ret = PTR_ERR(dwc->usb3_phy); 1472 if (ret == -ENXIO || ret == -ENODEV) 1473 dwc->usb3_phy = NULL; 1474 else 1475 return dev_err_probe(dev, ret, "no usb3 phy configured\n"); 1476 } 1477 1478 for (i = 0; i < dwc->num_usb2_ports; i++) { 1479 if (dwc->num_usb2_ports == 1) 1480 snprintf(phy_name, sizeof(phy_name), "usb2-phy"); 1481 else 1482 snprintf(phy_name, sizeof(phy_name), "usb2-%u", i); 1483 1484 dwc->usb2_generic_phy[i] = devm_phy_get(dev, phy_name); 1485 if (IS_ERR(dwc->usb2_generic_phy[i])) { 1486 ret = PTR_ERR(dwc->usb2_generic_phy[i]); 1487 if (ret == -ENOSYS || ret == -ENODEV) 1488 dwc->usb2_generic_phy[i] = NULL; 1489 else 1490 return dev_err_probe(dev, ret, "failed to lookup phy %s\n", 1491 phy_name); 1492 } 1493 } 1494 1495 for (i = 0; i < dwc->num_usb3_ports; i++) { 1496 if (dwc->num_usb3_ports == 1) 1497 snprintf(phy_name, sizeof(phy_name), "usb3-phy"); 1498 else > 1499 snprintf(phy_name, sizeof(phy_name), "usb3-%u", i); 1500 1501 dwc->usb3_generic_phy[i] = devm_phy_get(dev, phy_name); 1502 if (IS_ERR(dwc->usb3_generic_phy[i])) { 1503 ret = PTR_ERR(dwc->usb3_generic_phy[i]); 1504 if (ret == -ENOSYS || ret == -ENODEV) 1505 dwc->usb3_generic_phy[i] = NULL; 1506 else 1507 return dev_err_probe(dev, ret, "failed to lookup phy %s\n", 1508 phy_name); 1509 } 1510 } 1511 1512 return 0; 1513 } 1514 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki