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X-CSE-ConnectionGUID: Nmr4Mkh3SSSK5lQBXETo7A== X-CSE-MsgGUID: RoIeILjHTuubs5A4nmfkdw== X-IronPort-AV: E=McAfee;i="6800,10657,11874"; a="86408625" X-IronPort-AV: E=Sophos;i="6.25,222,1779174000"; d="scan'208";a="86408625" Received: from orviesa006.jf.intel.com ([10.64.159.146]) by fmvoesa112.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Aug 2026 05:58:43 -0700 X-CSE-ConnectionGUID: ndiIMD5iR+qW+DC0664uCA== X-CSE-MsgGUID: fKBdS10RQOOPrtE41lMzIQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,222,1779174000"; d="scan'208";a="262461658" Received: from igk-lkp-server01.igk.intel.com (HELO 3cba2a188a06) ([10.211.93.152]) by orviesa006.jf.intel.com with ESMTP; 14 Aug 2026 05:58:42 -0700 Received: from kbuild by 3cba2a188a06 with local (Exim 4.98.2) (envelope-from ) id 1wurUd-000000006Fl-0Kc4; Fri, 14 Aug 2026 12:58:39 +0000 Date: Fri, 14 Aug 2026 14:57:51 +0200 From: kernel test robot To: Louis Chauvet Cc: oe-kbuild-all@lists.linux.dev, 0day robot Subject: drivers/gpu/drm/vkms/vkms_configfs.c:625:5: warning: 'vkms_configfs_parse_next_format' defined but not used Message-ID: <202608141459.lTWy7nlR-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: tree: https://github.com/intel-lab-lkp/linux/commits/Louis-Chauvet/drm-drm_mode_config-Add-helper-to-get-plane-type-name/20260807-092508 head: c4c09a7274b7bb12e10957fc5da78e52e5bbf54d commit: d799e044e269193685079d3260b0b0b33d17a237 drm/vkms: Introduce configfs for plane format date: 7 days ago config: x86_64-rhel-9.4-bpf (https://download.01.org/0day-ci/archive/20260814/202608141459.lTWy7nlR-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260814/202608141459.lTWy7nlR-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/202608141459.lTWy7nlR-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/gpu/drm/vkms/vkms_configfs.c:625:5: warning: 'vkms_configfs_parse_next_format' defined but not used [-Wunused-function] 625 | int vkms_configfs_parse_next_format(const char *page, const char *page_end, char **out) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/vkms_configfs_parse_next_format +625 drivers/gpu/drm/vkms/vkms_configfs.c 614 615 /** 616 * vkms_configfs_parse_next_format() - Parse the next format in page, 617 * skipping all non fourcc-related characters 618 * @page: page to search into 619 * @page_end: last character of the page 620 * @out: Output pointer, will point inside page 621 * 622 * Returns: size of the matched format, @out will point to the + or - 623 */ 624 VISIBLE_IF_KUNIT > 625 int vkms_configfs_parse_next_format(const char *page, const char *page_end, char **out) 626 { 627 int count = page - page_end; 628 char *tmp_plus = strnchr(page, count, '+'); 629 char *tmp_minus = strnchr(page, count, '-'); 630 631 if (!tmp_plus && !tmp_minus) 632 return 0; 633 if (!tmp_plus) 634 *out = tmp_minus; 635 else if (!tmp_minus) 636 *out = tmp_plus; 637 else 638 *out = min(tmp_plus, tmp_minus); 639 640 char *end = *out + 1; 641 642 while (end < page_end) { 643 if (!isalnum(*end) && *end != '*') 644 break; 645 end++; 646 } 647 648 return end - *out; 649 } 650 EXPORT_SYMBOL_IF_KUNIT(vkms_configfs_parse_next_format); 651 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki