From mboxrd@z Thu Jan 1 00:00:00 1970 From: 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> References: <20170214011400.13352-1-acme@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 To: Ingo Molnar Return-path: In-Reply-To: <20170214011400.13352-1-acme@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-Id: 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; -- 2.9.3