From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.12]) (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 8404414E2F2 for ; Thu, 29 May 2025 11:03:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.12 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748516608; cv=none; b=ZeT6abA8chFT87J8kC0b7X2s1ygsf8c5dKgz4UPQTchazer68vAxb33dp8lFfvbD68VNYCvB3wOdVQSG+Jz6lNN/fh7eOGYQZl0z2/Dif5SbRW2qCLwBJLO0qlwHn/CNbdgc7vOUOPD5s3fGtMhNlavC3K6infI7CfDulQ5oNok= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748516608; c=relaxed/simple; bh=/stWEU1M5xMsel0DVEH/3rDV1xTg8quwkql1AlCioF8=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=cYruiN7cX3k2+CfcXhqd/U4oqzabF4xThzTcvccu7LXtwK1gSpOKdi2iAcFEEVplNLVQjvl6+GLaqMjd//T6EsFNx+bXZPXFCj/Bmv3WaFiyG+tNG3zv+EAlNXdv/+hI4cNg1dho0UkiB46BO57cgc0eHrVjyW84Ywcq1+6jcC0= 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=RniHxwme; arc=none smtp.client-ip=192.198.163.12 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="RniHxwme" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1748516607; x=1780052607; h=date:from:to:cc:subject:message-id:mime-version; bh=/stWEU1M5xMsel0DVEH/3rDV1xTg8quwkql1AlCioF8=; b=RniHxwmeFTfWj2Esy/NR9OKm+fwr9VSW63ErshYVvc92uykwg73NjxzJ N0r2qeJukFrHrsQ2kCRaB8ObOsqkaZdZ4Kl1dIUvUIqMIs5tnxjQdbgdn CZTkqHv9t2llAV5+CW/EvQPyqzA6dofAXLvBQ9LnpHKtrenHbOWXdXZkD 0Fv7skhG0l5FBN32xsNEVtUAiwelVId5aoSdCPVKimJKiMc4CoSdLbRA+ zWYyIYWj+qhdcjSCacwFxDxbVnB2Qk8FIOjmaP7suzmwyZlM2JdSA0OEy Yr50auYufH39/D5ZegpSP5Xo5DkGCgyDHBjH8hxP486AoUBKFVigT77Sl w==; X-CSE-ConnectionGUID: NTqaNeXKTbu52a/5o7+kiA== X-CSE-MsgGUID: g7QT7tp9Qp2xYcN2ezGaZA== X-IronPort-AV: E=McAfee;i="6700,10204,11447"; a="54369622" X-IronPort-AV: E=Sophos;i="6.15,192,1739865600"; d="scan'208";a="54369622" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by fmvoesa106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 May 2025 04:03:25 -0700 X-CSE-ConnectionGUID: SriC7r1zSWGIHeF/DOvcZA== X-CSE-MsgGUID: dR3/MQTYSQ6AfUmxxQJeiQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,192,1739865600"; d="scan'208";a="148303908" Received: from igk-lkp-server01.igk.intel.com (HELO b69e6467d450) ([10.211.3.150]) by orviesa003.jf.intel.com with ESMTP; 29 May 2025 04:03:23 -0700 Received: from kbuild by b69e6467d450 with local (Exim 4.96) (envelope-from ) id 1uKb2f-0000gZ-0G; Thu, 29 May 2025 11:03:21 +0000 Date: Tue, 27 May 2025 04:45:40 +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: <202505270420.gUbVlmLg-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: 49fffac983ac52aea0ab94914be3f56bcf92d5dc commit: 3f12222a4bebeb13ce06ddecc1610ad32fa835dd usb: dwc3: core: Fix compile warning on s390 gcc in dwc3_get_phy call date: 1 year, 1 month ago config: microblaze-randconfig-2005-20250514 (https://download.01.org/0day-ci/archive/20250527/202505270420.gUbVlmLg-lkp@intel.com/config) compiler: microblaze-linux-gcc (GCC) 8.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250527/202505270420.gUbVlmLg-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/202505270420.gUbVlmLg-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