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| author | Daniel Borkmann <daniel@iogearbox.net> | 2017-01-26 00:42:49 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-01-25 23:15:28 -0500 |
| commit | 0901df3aeaee6cb5dde2fd51089786aff6225ebf (patch) | |
| tree | d55161ddc68c74ec75faa8bfd219a6e593a14c17 /tools/testing | |
| parent | 1541f98cc252fac55d4e7cc933deddf341ff1710 (diff) | |
| download | linux-0901df3aeaee6cb5dde2fd51089786aff6225ebf.tar.gz linux-0901df3aeaee6cb5dde2fd51089786aff6225ebf.tar.bz2 linux-0901df3aeaee6cb5dde2fd51089786aff6225ebf.zip | |
bpf: use prefix_len in test_tag when reading fdinfo
We currently used len instead of prefix_len for the strncmp() in
fdinfo on the prog_tag. It still worked as we matched on the correct
output line also with first 8 instead of 10 chars, but lets fix it
properly to use the intended length.
Fixes: 62b64660262a ("bpf: add prog tag test case to bpf selftests")
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools/testing')
| -rw-r--r-- | tools/testing/selftests/bpf/test_tag.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/testing/selftests/bpf/test_tag.c b/tools/testing/selftests/bpf/test_tag.c index 6ab4793b3d16..5f7c602f47d1 100644 --- a/tools/testing/selftests/bpf/test_tag.c +++ b/tools/testing/selftests/bpf/test_tag.c @@ -99,7 +99,7 @@ static void tag_from_fdinfo(int fd_prog, uint8_t *tag, uint32_t len) assert(fp); while (fgets(buff, sizeof(buff), fp)) { - if (strncmp(buff, "prog_tag:\t", len)) + if (strncmp(buff, "prog_tag:\t", prefix_len)) continue; ret = hex2bin(tag, buff + prefix_len, len); break; |