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>
This commit is contained in:
Mickaël Salaün 2017-02-08 21:27:43 +01:00 committed by Arnaldo Carvalho de Melo
parent 16ad132900
commit a734fb5d60

View File

@ -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;