From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-1511654-1518326540-2-18387943730691673616 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, HEADER_FROM_DIFFERENT_DOMAINS 0.001, ME_NOAUTH 0.01, RCVD_IN_DNSWL_HI -5, T_RP_MATCHES_RCVD -0.01, LANGUAGES en, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.132.180.67', Host='vger.kernel.org', Country='US', FromHeader='uk', MailFrom='org' X-Spam-charsets: plain='UTF-8' X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: stable-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=arctest; t=1518326540; b=JPROcf1MQ2Ehzq1cK5vp+qXpW0nSnZAUizj2rLu4EGxx0mW 8SvT+l8Hv7ffuAYRcEkaKZkOtfUgFkMrL56SUqU8n0bBh1I+PYBqGXdtDTEwlCWB IrkxFuKP7aZGhBHJEn5smAVhsbuwc5fz4+quhSO6KJQG2CsC+RHV5AUG7UzeAbJe c1ewJ6PkPO+sxU+CuIyJoKvr2lkBa6B3mLhzXzXKtfmX5x32hcO0RcZ8LwXlfAA/ 8q5q2yIRQ0G1jVi/GTlJjAEQoHHvl1q5uny+hFLmt4gHEesnIKfaTn8EWJY5xLcX skSjWfY1Q9gipzdv86UaVUmLtD2uE6fZfVkh4hQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=content-type:content-transfer-encoding :mime-version:from:to:cc:date:message-id:subject:in-reply-to :sender:list-id; s=arctest; t=1518326540; bh=xzFmbog7H8F6cwb+6BW wMuONJprVIvRxnfNWoZeixCM=; b=XmszGg4fDq2bctSinIM2f+b/KqzicC+mKLM pvIacg182fpMYj626dgSdFJ0Hh2c9pUi5gWkGP0Muk+OsMwzg/MP0NObvUWDyYcq LMH9PsDMwJspsbum5HQhcUcWTvlNgixxswUgJlHlSgCrG0PKUqv/au8c6CZQOYG1 GdmLwZfOBMJTxRDN56Y4IAL3pomZLUN0lvyBsA5ShcnqpaqOHMHTpfO9n4xWxUrW YEzp3CUQ87mTy0rJtTNvxZ4zDcx56bJNPAlYSFOxYaMDbfeg7jyQcsvdRLu+D0+c AAR08S4KVVqeuC8wF0qQNHwv/K8QUitKSb3ltDmEL2ubHQCFPVg== ARC-Authentication-Results: i=1; mx4.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=decadent.org.uk; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=decadent.org.uk header.result=pass header_is_org_domain=yes Authentication-Results: mx4.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=decadent.org.uk; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=decadent.org.uk header.result=pass header_is_org_domain=yes Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753371AbeBKFSC (ORCPT ); Sun, 11 Feb 2018 00:18:02 -0500 Received: from shadbolt.e.decadent.org.uk ([88.96.1.126]:42726 "EHLO shadbolt.e.decadent.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752547AbeBKFSA (ORCPT ); Sun, 11 Feb 2018 00:18:00 -0500 Content-Type: text/plain; charset="UTF-8" Content-Disposition: inline Content-Transfer-Encoding: 8bit MIME-Version: 1.0 From: Ben Hutchings To: linux-kernel@vger.kernel.org, stable@vger.kernel.org CC: akpm@linux-foundation.org, "Nicolas Pitre" , "Al Viro" , "Arnd Bergmann" Date: Sun, 11 Feb 2018 04:31:11 +0000 Message-ID: X-Mailer: LinuxStableQueue (scripts by bwh) Subject: [PATCH 3.16 020/136] elf_fdpic: fix unused variable warning In-Reply-To: X-SA-Exim-Connect-IP: 2a02:8011:400e:2:6f00:88c8:c921:d332 X-SA-Exim-Mail-From: ben@decadent.org.uk X-SA-Exim-Scanned: No (on shadbolt.decadent.org.uk); SAEximRunCond expanded to false Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 3.16.54-rc1 review patch. If anyone has any objections, please let me know. ------------------ From: Arnd Bergmann commit 11e3e8d6d9274bf630859b4c47bc4e4d76f289db upstream. The elf_fdpic code shows a harmless warning when built with MMU disabled, I ran into this now that fdpic is available on ARM randconfig builds since commit 50b2b2e691cd ("ARM: add ELF_FDPIC support"). fs/binfmt_elf_fdpic.c: In function 'elf_fdpic_dump_segments': fs/binfmt_elf_fdpic.c:1501:17: error: unused variable 'addr' [-Werror=unused-variable] This adds another #ifdef around the variable declaration to shut up the warning. Fixes: e6c1baa9b562 ("convert the rest of binfmt_elf_fdpic to dump_emit()") Acked-by: Nicolas Pitre Signed-off-by: Arnd Bergmann Signed-off-by: Al Viro Signed-off-by: Ben Hutchings --- fs/binfmt_elf_fdpic.c | 2 ++ 1 file changed, 2 insertions(+) --- a/fs/binfmt_elf_fdpic.c +++ b/fs/binfmt_elf_fdpic.c @@ -1487,7 +1487,9 @@ static bool elf_fdpic_dump_segments(stru struct vm_area_struct *vma; for (vma = current->mm->mmap; vma; vma = vma->vm_next) { +#ifdef CONFIG_MMU unsigned long addr; +#endif if (!maydump(vma, cprm->mm_flags)) continue;