From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 37188 invoked by alias); 27 Jun 2017 17:05:27 -0000 Mailing-List: contact gdb-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-owner@sourceware.org Received: (qmail 37107 invoked by uid 89); 27 Jun 2017 17:05:27 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-26.9 required=5.0 tests=BAYES_00,GIT_PATCH_0,GIT_PATCH_1,GIT_PATCH_2,GIT_PATCH_3,RP_MATCHES_RCVD,SPF_PASS autolearn=ham version=3.3.2 spammy=Hx-spam-relays-external:ESMTPA X-Spam-User: qpsmtpd, 2 recipients X-HELO: foss.arm.com Received: from foss.arm.com (HELO foss.arm.com) (217.140.101.70) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Tue, 27 Jun 2017 17:05:25 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 3133B15AD; Tue, 27 Jun 2017 10:05:24 -0700 (PDT) Received: from e103592.cambridge.arm.com (usa-sjc-imap-foss1.foss.arm.com [10.72.51.249]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 4FF8A3F557; Tue, 27 Jun 2017 10:05:23 -0700 (PDT) From: Dave Martin To: linux-arm-kernel@lists.infradead.org Cc: Russell King , Edmund Grimley-Evans , libc-alpha@sourceware.org, gdb@sourceware.org Subject: [RFC PATCH v2 1/2] ARM: iwmmxt: Add missing __user annotations to sigframe accessors Date: Tue, 27 Jun 2017 17:05:00 -0000 Message-Id: <1498583067-14178-2-git-send-email-Dave.Martin@arm.com> In-Reply-To: <1498583067-14178-1-git-send-email-Dave.Martin@arm.com> References: <1498583067-14178-1-git-send-email-Dave.Martin@arm.com> X-SW-Source: 2017-06/txt/msg00035.txt.bz2 preserve_iwmmxt_context() and restore_iwmmxt_context() lack __user accessors on their arguments pointing to the user signal frame. There does not be appear to be a bug here, but this omission is inconsistent with the crunch and vfp sigframe access functions. This patch adds the annotations, for consistency. Signed-off-by: Dave Martin --- arch/arm/kernel/signal.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c index 7b8f214..8f06480 100644 --- a/arch/arm/kernel/signal.c +++ b/arch/arm/kernel/signal.c @@ -59,7 +59,7 @@ static int restore_crunch_context(struct crunch_sigframe __user *frame) #ifdef CONFIG_IWMMXT -static int preserve_iwmmxt_context(struct iwmmxt_sigframe *frame) +static int preserve_iwmmxt_context(struct iwmmxt_sigframe __user *frame) { char kbuf[sizeof(*frame) + 8]; struct iwmmxt_sigframe *kframe; @@ -72,7 +72,7 @@ static int preserve_iwmmxt_context(struct iwmmxt_sigframe *frame) return __copy_to_user(frame, kframe, sizeof(*frame)); } -static int restore_iwmmxt_context(struct iwmmxt_sigframe *frame) +static int restore_iwmmxt_context(struct iwmmxt_sigframe __user *frame) { char kbuf[sizeof(*frame) + 8]; struct iwmmxt_sigframe *kframe; -- 2.1.4