From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.14]) (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 A652830CD89 for ; Fri, 16 Oct 2026 05:59:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.14 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792130397; cv=none; b=jQafs9jJDp+8N9Z5xQ0JIVLCmnEUs6iFqFYvT57Yh0IFfan2QDU9eI22JjJ9xzUIvMAmUV0PHcOzeTeDjNNrcPGbtXu2ZdVBKzm4N2dT4aXNHFZPfpRVD/VBbTBiFNkksxaGPL4D1zXs6Ria1YFzhkenGezrJf7OlmJdEALfGKc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792130397; c=relaxed/simple; bh=ffT1uC8Tx5LWXnu0ZHL17b8Pkk4WgBDhMPPfK8nul2M=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=E2G85mVVRdI2/ASTw0+XxaZ8TFodgNyoMnuVn/hdwZ/n7yY/kTzMFJB/c0wgQxMSRCLF7IUQV6iiztx4HS/AdKcVOW4c9nJtSHFqAYAfS5UkJHxcxZTzA0/JTyZsqfzO9/TssqxwO9xbvvMHNDxE0ZAE5RUlXOwZRe9NbI4Uiqg= 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=J56dckrd; arc=none smtp.client-ip=198.175.65.14 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="J56dckrd" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1792130395; x=1823666395; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=ffT1uC8Tx5LWXnu0ZHL17b8Pkk4WgBDhMPPfK8nul2M=; b=J56dckrdL0WJ54Cmmoxx4ljIF+4p5CJMzlRGUZxpu5uyWYf9+4QYkVGh OnsG4NAbef/81Sx6RR4BI/2zEH5/psUohSlq53p6NqShFrlehV75IiBY2 c2VqbhCAc4CGB0bPvEpSrsi4ZaXAw+uoAKVKZ86QwH+wv685z974VsUKU BnE0qwi2X1BddbhhwT7ZculvXGGoWrIopKmVzppgdgirsIDNZwvIT33na Gz4YfwCx+cwZQnvUBKn4UV/kAqxcMkAmniJxs8AtXbCrzWUem2swV0R5G vm/xffaSOiMh8mRtuaCkn10ipsOYHUdNgAortze2Fo0Lq/R3KEMwxxi7z w==; X-CSE-ConnectionGUID: 537kF1z1TqOqCPY41GSurw== X-CSE-MsgGUID: NbWWu1RYTuueZ4LfwT0Viw== X-IronPort-AV: E=McAfee;i="6800,10657,11936"; a="777886" X-IronPort-AV: E=Sophos;i="6.27,161,1787036400"; d="scan'208";a="777886" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by orvoesa106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Oct 2026 22:59:54 -0700 X-CSE-ConnectionGUID: s6K5pGUBTr+Dk4bRSngZrw== X-CSE-MsgGUID: 5Bg4tbOVRF6nQQ+UylFw9A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,161,1787036400"; d="scan'208";a="2239417" Received: from lkp-server01.sh.intel.com (HELO 0caa9d2d175c) ([10.239.97.150]) by fmviesa006.fm.intel.com with ESMTP; 15 Oct 2026 22:59:52 -0700 Received: from kbuild by 0caa9d2d175c with local (Exim 4.98.2) (envelope-from ) id 1xHayr-00000000Hha-3SjE; Fri, 16 Oct 2026 05:59:49 +0000 Date: Fri, 16 Oct 2026 13:59:41 +0800 From: kernel test robot To: Chelsy Ratnawat , dhowells@redhat.com, davem@davemloft.net, marc.dionne@auristor.com Cc: oe-kbuild-all@lists.linux.dev, netdev@vger.kernel.org, Chelsy Ratnawat Subject: Re: [PATCH] net/rxrpc: Simplify rxrpcpeerseq_next() Message-ID: <202610161338.9QHAZ7bn-lkp@intel.com> References: <20261015200115.59571-1-chelsyratnawat2001@gmail.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261015200115.59571-1-chelsyratnawat2001@gmail.com> Hi Chelsy, kernel test robot noticed the following build warnings: [auto build test WARNING on net-next/main] [also build test WARNING on net/main linus/master dhowells-fs/fscache-next dhowells-fs/keys-next v7.3-rc7 next-20261012] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Chelsy-Ratnawat/net-rxrpc-Simplify-rxrpcpeerseq_next/20261015-130115 base: net-next/main patch link: https://lore.kernel.org/r/20261015200115.59571-1-chelsyratnawat2001%40gmail.com patch subject: [PATCH] net/rxrpc: Simplify rxrpcpeerseq_next() config: nios2-randconfig-1000-20261016 (https://download.01.org/0day-ci/archive/20261016/202610161338.9QHAZ7bn-lkp@intel.com/config) compiler: nios2-linux-gcc (GCC) 11.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261016/202610161338.9QHAZ7bn-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/202610161338.9QHAZ7bn-lkp@intel.com/ All warnings (new ones prefixed by >>): net/rxrpc/proc.c: In function 'rxrpc_peer_seq_next': >> net/rxrpc/proc.c:355:30: warning: unused variable 'n' [-Wunused-variable] 355 | unsigned int bucket, n; | ^ vim +/n +355 net/rxrpc/proc.c bc0e7cf43370a8e David Howells 2018-10-15 351 bc0e7cf43370a8e David Howells 2018-10-15 352 static void *rxrpc_peer_seq_next(struct seq_file *seq, void *v, loff_t *_pos) bc0e7cf43370a8e David Howells 2018-10-15 353 { bc0e7cf43370a8e David Howells 2018-10-15 354 struct rxrpc_net *rxnet = rxrpc_net(seq_file_net(seq)); bc0e7cf43370a8e David Howells 2018-10-15 @355 unsigned int bucket, n; bc0e7cf43370a8e David Howells 2018-10-15 356 unsigned int shift = 32 - HASH_BITS(rxnet->peer_hash); bc0e7cf43370a8e David Howells 2018-10-15 357 void *p; bc0e7cf43370a8e David Howells 2018-10-15 358 bc0e7cf43370a8e David Howells 2018-10-15 359 if (*_pos >= UINT_MAX) bc0e7cf43370a8e David Howells 2018-10-15 360 return NULL; bc0e7cf43370a8e David Howells 2018-10-15 361 bc0e7cf43370a8e David Howells 2018-10-15 362 bucket = *_pos >> shift; bc0e7cf43370a8e David Howells 2018-10-15 363 bc0e7cf43370a8e David Howells 2018-10-15 364 p = seq_hlist_next_rcu(v, &rxnet->peer_hash[bucket], _pos); bc0e7cf43370a8e David Howells 2018-10-15 365 if (p) bc0e7cf43370a8e David Howells 2018-10-15 366 return p; bc0e7cf43370a8e David Howells 2018-10-15 367 bc0e7cf43370a8e David Howells 2018-10-15 368 for (;;) { bc0e7cf43370a8e David Howells 2018-10-15 369 bucket++; da940c1bf91ae9e Chelsy Ratnawat 2026-10-15 370 *_pos = (bucket << shift) | 1; bc0e7cf43370a8e David Howells 2018-10-15 371 bc0e7cf43370a8e David Howells 2018-10-15 372 if (bucket >= HASH_SIZE(rxnet->peer_hash)) { bc0e7cf43370a8e David Howells 2018-10-15 373 *_pos = UINT_MAX; bc0e7cf43370a8e David Howells 2018-10-15 374 return NULL; bc0e7cf43370a8e David Howells 2018-10-15 375 } bc0e7cf43370a8e David Howells 2018-10-15 376 da940c1bf91ae9e Chelsy Ratnawat 2026-10-15 377 p = seq_hlist_start_rcu(&rxnet->peer_hash[bucket], 0); bc0e7cf43370a8e David Howells 2018-10-15 378 if (p) bc0e7cf43370a8e David Howells 2018-10-15 379 return p; bc0e7cf43370a8e David Howells 2018-10-15 380 } bc0e7cf43370a8e David Howells 2018-10-15 381 } bc0e7cf43370a8e David Howells 2018-10-15 382 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki