From mboxrd@z Thu Jan 1 00:00:00 1970 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754794AbdBEUaE (ORCPT + 2 others); Sun, 5 Feb 2017 15:30:04 -0500 Received: from wtarreau.pck.nerim.net ([62.212.114.60]:27433 "EHLO 1wt.eu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752187AbdBETWi (ORCPT ); Sun, 5 Feb 2017 14:22:38 -0500 From: Willy Tarreau To: linux-kernel@vger.kernel.org, stable@vger.kernel.org, linux@roeck-us.net Cc: Al Viro , Willy Tarreau Subject: [PATCH 3.10 097/319] sparc32: fix copy_from_user() Date: Sun, 5 Feb 2017 20:21:24 +0100 Message-Id: <1486322486-8024-68-git-send-email-w@1wt.eu> X-Mailer: git-send-email 2.8.0.rc2.1.gbe9624a In-Reply-To: <1486322486-8024-1-git-send-email-w@1wt.eu> References: <1486322486-8024-1-git-send-email-w@1wt.eu> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return-Path: From: Al Viro commit 917400cecb4b52b5cde5417348322bb9c8272fa6 upstream. Acked-by: David S. Miller Signed-off-by: Al Viro Signed-off-by: Willy Tarreau --- arch/sparc/include/asm/uaccess_32.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/sparc/include/asm/uaccess_32.h b/arch/sparc/include/asm/uaccess_32.h index 53a28dd..01f6028 100644 --- a/arch/sparc/include/asm/uaccess_32.h +++ b/arch/sparc/include/asm/uaccess_32.h @@ -265,8 +265,10 @@ static inline unsigned long copy_from_user(void *to, const void __user *from, un { if (n && __access_ok((unsigned long) from, n)) return __copy_user((__force void __user *) to, from, n); - else + else { + memset(to, 0, n); return n; + } } static inline unsigned long __copy_from_user(void *to, const void __user *from, unsigned long n) -- 2.8.0.rc2.1.gbe9624a