From patchwork Tue Feb 14 01:14:00 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Arnaldo Carvalho de Melo X-Patchwork-Id: 727648 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3vMkxk4Xtpz9s7F for ; Tue, 14 Feb 2017 12:15:38 +1100 (AEDT) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=infradead.org header.i=@infradead.org header.b="uWYvyGeH"; dkim-atps=neutral Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751855AbdBNBOZ (ORCPT ); Mon, 13 Feb 2017 20:14:25 -0500 Received: from bombadil.infradead.org ([65.50.211.133]:58182 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751749AbdBNBOX (ORCPT ); Mon, 13 Feb 2017 20:14:23 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=Content-Transfer-Encoding: Content-Type:MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc: To:From:Sender:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=zCAv7AwRA3FyOy5IsMXDzVI5ZyDvbof/UsQY2Mm621c=; b=uWYvyGeHu95Adu9cD/XJ5yjop d+qLOlKyms9VI5RxE+fNg1rj2C4ELoI/Y7TDzr5S0a8uCQm0frzj7YEMv25m6lPzwiDimxJJb0pf6 IxG9QWaPFg7oWlHihYUrpWTklVCQJf0bOM+FpC/++UULCQ9kOqNL86IJvco5YWLK3qfV7o8rqQQmJ HysABKKAOTkkb7m9JvEC+jvspl+BGnF1M9TAL9rhndr1YDuR6NxbIESszW1lCNTaVczc3O20qs3Y/ ho2Xpw0B7Gl7ZB1qtKW/yUfN9zifdEAsBxtB/py6s6cartsjZpbBFy+AbYpwcYcgoxaYuMv10iEaS 6Ei4qKl/Q==; Received: from [179.97.44.90] (helo=jouet.infradead.org) by bombadil.infradead.org with esmtpsa (Exim 4.87 #1 (Red Hat Linux)) id 1cdRh4-0007uY-8e; Tue, 14 Feb 2017 01:14:10 +0000 Received: by jouet.infradead.org (Postfix, from userid 1000) id A8E78144831; Mon, 13 Feb 2017 22:14:02 -0300 (BRT) From: Arnaldo Carvalho de Melo To: Ingo Molnar Cc: linux-kernel@vger.kernel.org, =?UTF-8?q?Micka=C3=ABl=20Sala=C3=BCn?= , Alexei Starovoitov , Daniel Borkmann , "David S . Miller" , netdev@vger.kernel.org, Arnaldo Carvalho de Melo Subject: [PATCH 15/15] samples/bpf: Reset global variables Date: Mon, 13 Feb 2017 22:14:00 -0300 Message-Id: <20170214011400.13352-16-acme@kernel.org> X-Mailer: git-send-email 2.9.3 In-Reply-To: <20170214011400.13352-1-acme@kernel.org> References: <20170214011400.13352-1-acme@kernel.org> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Mickaël Salaün Before loading a new ELF, clean previous kernel version, license and processed sections. Signed-off-by: Mickaël Salaün Acked-by: Joe Stringer Acked-by: Wang Nan Cc: Alexei Starovoitov Cc: Daniel Borkmann Cc: David S. Miller Cc: netdev@vger.kernel.org Link: http://lkml.kernel.org/r/20170208202744.16274-3-mic@digikod.net Signed-off-by: Arnaldo Carvalho de Melo --- samples/bpf/bpf_load.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/samples/bpf/bpf_load.c b/samples/bpf/bpf_load.c index e04fe09d7c2e..b86ee54da2d1 100644 --- a/samples/bpf/bpf_load.c +++ b/samples/bpf/bpf_load.c @@ -277,6 +277,11 @@ int load_bpf_file(char *path) Elf_Data *data, *data_prog, *symbols = NULL; char *shname, *shname_prog; + /* reset global variables */ + kern_version = 0; + memset(license, 0, sizeof(license)); + memset(processed_sec, 0, sizeof(processed_sec)); + if (elf_version(EV_CURRENT) == EV_NONE) return 1;