From: "Mickaël Salaün" <mic@digikod.net>
To: linux-kernel@vger.kernel.org
Cc: "Mickaël Salaün" <mic@digikod.net>,
"Alexei Starovoitov" <ast@fb.com>,
"Arnaldo Carvalho de Melo" <acme@redhat.com>,
"Daniel Borkmann" <daniel@iogearbox.net>,
"David S . Miller" <davem@davemloft.net>,
"Joe Stringer" <joe@ovn.org>, "Wang Nan" <wangnan0@huawei.com>,
netdev@vger.kernel.org
Subject: [PATCH v4 2/3] samples/bpf: Reset global variables
Date: Wed, 8 Feb 2017 21:27:43 +0100 [thread overview]
Message-ID: <20170208202744.16274-3-mic@digikod.net> (raw)
In-Reply-To: <20170208202744.16274-1-mic@digikod.net>
Before loading a new ELF, clean previous kernel version, license and
processed sections.
Signed-off-by: Mickaël Salaün <mic@digikod.net>
Cc: Alexei Starovoitov <ast@fb.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: David S. Miller <davem@davemloft.net>
---
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
next prev parent reply other threads:[~2017-02-08 20:31 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-08 20:27 [PATCH v4 0/3] Miscellaneous fixes for BPF (perf tree) Mickaël Salaün
2017-02-08 20:27 ` [PATCH v4 1/3] samples/bpf: Ignore already processed ELF sections Mickaël Salaün
2017-02-08 20:27 ` Mickaël Salaün [this message]
2017-02-08 20:27 ` [PATCH v4 3/3] samples/bpf: Add missing header Mickaël Salaün
2017-02-10 17:42 ` [PATCH v4 0/3] Miscellaneous fixes for BPF (perf tree) Arnaldo Carvalho de Melo
2017-02-10 21:28 ` Joe Stringer
2017-02-13 1:42 ` Wangnan (F)
2017-02-13 20:27 ` Arnaldo Carvalho de Melo
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