From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.93]) (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 818316D3F for ; Sun, 10 Dec 2023 10:01:41 +0000 (UTC) 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="Ul8VbT1A" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1702202501; x=1733738501; h=date:from:to:cc:subject:message-id:mime-version; bh=zzWhk8O2avZ8zbbXZq8tD7ZF0iPAsFXXNjRL5ZsfeA0=; b=Ul8VbT1Av8/oHmwYVeWHu8ogQVOi5gv1lFnngvOV6lKWVk2HK5v8sjTV I6oJRJmdg5pyB1/Oez+8CSD58T/3+eTxY74yQKGvXtK8E3ddPda3l9dRA p2KAE2SCvOLp40Ji1tGssMuEtgp2ggmDLGrKEjsL7FOwcQnXwIay8Cmzm axkIeMuwZsEUu4kGGJ28fF53Ot14g1XOtYyCeFBgAzqAdVyijGTavNeWi TsddODHIpLjGbwDXL8VZVp2XAtHVnF/vscsjkfjF+38ds7ydD4TRM2gd+ bxK5j1A/cgW8M/OjftXo3zrhO+2bpUzvLo8krjqCK9i62sjlXDFmv/1ST Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10919"; a="391717118" X-IronPort-AV: E=Sophos;i="6.04,265,1695711600"; d="scan'208";a="391717118" Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Dec 2023 02:01:40 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10919"; a="843131661" X-IronPort-AV: E=Sophos;i="6.04,265,1695711600"; d="scan'208";a="843131661" Received: from lkp-server02.sh.intel.com (HELO b07ab15da5fe) ([10.239.97.151]) by fmsmga004.fm.intel.com with ESMTP; 10 Dec 2023 02:01:39 -0800 Received: from kbuild by b07ab15da5fe with local (Exim 4.96) (envelope-from ) id 1rCGcz-000GgW-04; Sun, 10 Dec 2023 10:01:37 +0000 Date: Sun, 10 Dec 2023 18:00:59 +0800 From: kernel test robot To: Miri Korenblit Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Johannes Berg , Gregory Greenman Subject: drivers/net/wireless/intel/iwlwifi/mvm/time-event.c:705 iwl_mvm_get_session_prot_id() warn: unsigned 'link_id' is never less than zero. Message-ID: <202312101708.68txSnLI-lkp@intel.com> Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev 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: c527f5606aa545233a4d2c6d5c636ed82b8633ef commit: 1350658373106eace418eea673a058a0285f8334 wifi: iwlwifi: support link_id in SESSION_PROTECTION cmd date: 7 weeks ago config: powerpc-randconfig-r071-20231126 (https://download.01.org/0day-ci/archive/20231210/202312101708.68txSnLI-lkp@intel.com/config) compiler: powerpc-linux-gcc (GCC) 13.2.0 reproduce: (https://download.01.org/0day-ci/archive/20231210/202312101708.68txSnLI-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/202312101708.68txSnLI-lkp@intel.com/ smatch warnings: drivers/net/wireless/intel/iwlwifi/mvm/time-event.c:705 iwl_mvm_get_session_prot_id() warn: unsigned 'link_id' is never less than zero. vim +/link_id +705 drivers/net/wireless/intel/iwlwifi/mvm/time-event.c 691 692 /* Determine whether mac or link id should be used, and validate the link id */ 693 static int iwl_mvm_get_session_prot_id(struct iwl_mvm *mvm, 694 struct ieee80211_vif *vif, 695 u32 link_id) 696 { 697 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 698 int ver = iwl_fw_lookup_cmd_ver(mvm->fw, 699 WIDE_ID(MAC_CONF_GROUP, 700 SESSION_PROTECTION_CMD), 1); 701 702 if (ver < 2) 703 return mvmvif->id; 704 > 705 if (WARN(link_id < 0 || !mvmvif->link[link_id], 706 "Invalid link ID for session protection: %u\n", link_id)) 707 return -EINVAL; 708 709 if (WARN(ieee80211_vif_is_mld(vif) && 710 !(vif->active_links & BIT(link_id)), 711 "Session Protection on an inactive link: %u\n", link_id)) 712 return -EINVAL; 713 714 return mvmvif->link[link_id]->fw_link_id; 715 } 716 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki