From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?q?Micka=C3=ABl=20Sala=C3=BCn?= Subject: [PATCH v2 4/5] samples/bpf: Reset global variables Date: Mon, 6 Feb 2017 21:40:26 +0100 Message-ID: <20170206204027.29078-4-mic@digikod.net> References: <20170206204027.29078-1-mic@digikod.net> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 To: linux-kernel@vger.kernel.org Return-path: Received: from smtp-sh2.infomaniak.ch ([128.65.195.6]:46408 "EHLO smtp-sh2.infomaniak.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751471AbdBFUlD (ORCPT ); Mon, 6 Feb 2017 15:41:03 -0500 In-Reply-To: <20170206204027.29078-1-mic@digikod.net> Sender: netdev-owner@vger.kernel.org List-ID: 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