From: "Mickaël Salaün" <mic@digikod.net>
To: linux-kernel@vger.kernel.org
Cc: "Mickaël Salaün" <mic@digikod.net>,
netdev@vger.kernel.org, "Alexei Starovoitov" <ast@fb.com>,
"Arnaldo Carvalho de Melo" <acme@redhat.com>,
"Daniel Borkmann" <daniel@iogearbox.net>,
"David S . Miller" <davem@davemloft.net>
Subject: [PATCH net-next v1 3/7] samples/bpf: Reset global variables
Date: Mon, 6 Feb 2017 00:14:24 +0100 [thread overview]
Message-ID: <20170205231428.23846-3-mic@digikod.net> (raw)
In-Reply-To: <20170205231428.23846-1-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:[~2017-02-05 23:16 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-05 23:14 [PATCH net-next v1 1/7] bpf: Add missing header to the library Mickaël Salaün
2017-02-05 23:14 ` [PATCH net-next v1 2/7] samples/bpf: Ignore already processed ELF sections Mickaël Salaün
2017-02-05 23:14 ` Mickaël Salaün [this message]
2017-02-05 23:14 ` [PATCH net-next v1 4/7] tools: Sync {,tools/}include/uapi/linux/bpf.h Mickaël Salaün
2017-02-06 19:51 ` Mickaël Salaün
2017-02-05 23:14 ` [PATCH net-next v1 5/7] bpf: Simplify bpf_load_program() error handling in the library Mickaël Salaün
2017-02-05 23:14 ` [PATCH net-next v1 6/7] bpf: Use the bpf_load_program() from " Mickaël Salaün
2017-02-06 15:30 ` Daniel Borkmann
2017-02-06 19:16 ` Mickaël Salaün
2017-02-06 19:18 ` Daniel Borkmann
2017-02-06 21:30 ` Mickaël Salaün
2017-02-06 22:44 ` Daniel Borkmann
2017-02-06 22:46 ` Mickaël Salaün
2017-02-05 23:14 ` [PATCH net-next v1 7/7] bpf: Always test unprivileged programs Mickaël Salaün
2017-02-06 15:43 ` Daniel Borkmann
2017-02-06 16:09 ` Alexei Starovoitov
2017-02-06 19:24 ` Mickaël Salaün
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