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authorMickaël Salaün <mic@digikod.net>2017-02-08 21:27:43 +0100
committerArnaldo Carvalho de Melo <acme@redhat.com>2017-02-13 17:22:53 -0300
commita734fb5d60067a73dd7099a58756847c07f9cd68 (patch)
tree43ba5f18777b9e525b6c4a7bbcdefa829e342ee9 /samples/bpf/bpf_load.c
parent16ad1329002f905c643a438ddcfb0a180787850a (diff)
downloadlinux-a734fb5d60067a73dd7099a58756847c07f9cd68.tar.bz2
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>
Diffstat (limited to 'samples/bpf/bpf_load.c')
-rw-r--r--samples/bpf/bpf_load.c5
1 files changed, 5 insertions, 0 deletions
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;