From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932407AbdBGU5G (ORCPT ); Tue, 7 Feb 2017 15:57:06 -0500 Received: from smtp-sh2.infomaniak.ch ([128.65.195.6]:46272 "EHLO smtp-sh2.infomaniak.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932329AbdBGU5E (ORCPT ); Tue, 7 Feb 2017 15:57:04 -0500 From: =?UTF-8?q?Micka=C3=ABl=20Sala=C3=BCn?= To: linux-kernel@vger.kernel.org Cc: =?UTF-8?q?Micka=C3=ABl=20Sala=C3=BCn?= , Alexei Starovoitov , Arnaldo Carvalho de Melo , Daniel Borkmann , "David S . Miller" , Joe Stringer , netdev@vger.kernel.org Subject: [PATCH v3 4/5] samples/bpf: Reset global variables Date: Tue, 7 Feb 2017 21:56:08 +0100 Message-Id: <20170207205609.8035-5-mic@digikod.net> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170207205609.8035-1-mic@digikod.net> References: <20170207205609.8035-1-mic@digikod.net> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Antivirus: Dr.Web (R) for Unix mail servers drweb plugin ver.6.0.2.8 X-Antivirus-Code: 0x100000 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Before loading a new ELF, clean previous kernel version, license and processed sections. Signed-off-by: Mickaël Salaün Cc: Alexei Starovoitov Cc: Arnaldo Carvalho de Melo Cc: Daniel Borkmann Cc: David S. Miller --- 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; -- 2.11.0