From: Mickaël Salaün <mic@digikod.net>
Date: Wed, 8 Feb 2017 20:27:43 +0000 (+0100)
Subject: samples/bpf: Reset global variables
X-Git-Tag: v4.14-rc1~1511^2~1^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a734fb5d60067a73dd7099a58756847c07f9cd68;p=platform%2Fkernel%2Flinux-rpi.git

samples/bpf: Reset global variables

Before loading a new ELF, clean previous kernel version, license and
processed sections.

Signed-off-by: Mickaël Salaün <mic@digikod.net>
Acked-by: Joe Stringer <joe@ovn.org>
Acked-by: Wang Nan <wangnan0@huawei.com>
Cc: Alexei Starovoitov <ast@fb.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: David S. Miller <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Link: http://lkml.kernel.org/r/20170208202744.16274-3-mic@digikod.net
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---

diff --git a/samples/bpf/bpf_load.c b/samples/bpf/bpf_load.c
index e04fe09..b86ee54 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;