bpf: use prefix_len in test_tag when reading fdinfo

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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: 62b6466026 ("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>

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Daniel Borkmann 2017-01-26 00:42:49 +01:00 • committed by David S. Miller

parent 1541f98cc2

commit 0901df3aea

1 changed files with 1 additions and 1 deletions

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tools/testing/selftests/bpf/test_tag.c

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