From patchwork Sun Mar 10 01:51:52 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chen Gang X-Patchwork-Id: 2242901 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork1.kernel.org (Postfix) with ESMTP id AC7B23FCF2 for ; Sun, 10 Mar 2013 01:56:35 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1UEVR6-0006RN-7B; Sun, 10 Mar 2013 01:52:28 +0000 Received: from intranet.asianux.com ([58.214.24.6]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UEVR1-0006R3-92 for linux-arm-kernel@lists.infradead.org; Sun, 10 Mar 2013 01:52:25 +0000 Received: by intranet.asianux.com (Postfix, from userid 103) id EB0321840304; Sun, 10 Mar 2013 09:52:14 +0800 (CST) X-Spam-Score: -100.8 X-Spam-Checker-Version: SpamAssassin 3.1.9 (2007-02-13) on intranet.asianux.com X-Spam-Level: X-Spam-Status: No, score=-100.8 required=5.0 tests=AWL,BAYES_00, RATWARE_GECKO_BUILD,USER_IN_WHITELIST autolearn=no version=3.1.9 Received: from [10.1.0.143] (unknown [219.143.36.82]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by intranet.asianux.com (Postfix) with ESMTP id A9FEA1840242; Sun, 10 Mar 2013 09:52:14 +0800 (CST) Message-ID: <513BE738.3080806@asianux.com> Date: Sun, 10 Mar 2013 09:51:52 +0800 From: Chen Gang User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130110 Thunderbird/17.0.2 MIME-Version: 1.0 To: Russell King - ARM Linux Subject: [PATCH] ARM:kernel: beautify code, rel->r_offset is __u32 which never < 0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130309_205223_599992_B892E496 X-CRM114-Status: GOOD ( 13.19 ) X-Spam-Score: -2.5 (--) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-2.5 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.6 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org rel->r_offset is __u32 which never < 0. it is defined in uapi/linux/elf.h Signed-off-by: Chen Gang --- arch/arm/kernel/module.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c index 1e9be5d..386086e 100644 --- a/arch/arm/kernel/module.c +++ b/arch/arm/kernel/module.c @@ -74,7 +74,7 @@ apply_relocate(Elf32_Shdr *sechdrs, const char *strtab, unsigned int symindex, sym = ((Elf32_Sym *)symsec->sh_addr) + offset; symname = strtab + sym->st_name; - if (rel->r_offset < 0 || rel->r_offset > dstsec->sh_size - sizeof(u32)) { + if (rel->r_offset > dstsec->sh_size - sizeof(u32)) { pr_err("%s: section %u reloc %u sym '%s': out of bounds relocation, offset %d size %u\n", module->name, relindex, i, symname, rel->r_offset, dstsec->sh_size);