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author | Dan Carpenter <dan.carpenter@oracle.com> | 2018-07-13 17:05:37 +0200 |
---|---|---|
committer | Alexei Starovoitov <ast@kernel.org> | 2018-07-17 00:01:09 +0200 |
commit | ee583014a9d8cc48cb4969f87cc02c12b966fabc (patch) | |
tree | db0f40dd24b7a57cd486299c186f7bee0915318f /samples | |
parent | samples: bpf: ensure that we don't load over MAX_PROGS programs (diff) | |
download | linux-ee583014a9d8cc48cb4969f87cc02c12b966fabc.tar.xz linux-ee583014a9d8cc48cb4969f87cc02c12b966fabc.zip |
samples/bpf: test_cgrp2_sock2: fix an off by one
"prog_cnt" is the number of elements which are filled out in prog_fd[]
so the test should be >= instead of >.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'samples')
-rw-r--r-- | samples/bpf/test_cgrp2_sock2.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/samples/bpf/test_cgrp2_sock2.c b/samples/bpf/test_cgrp2_sock2.c index 3b5be2364975..a9277b118c33 100644 --- a/samples/bpf/test_cgrp2_sock2.c +++ b/samples/bpf/test_cgrp2_sock2.c @@ -51,7 +51,7 @@ int main(int argc, char **argv) if (argc > 3) filter_id = atoi(argv[3]); - if (filter_id > prog_cnt) { + if (filter_id >= prog_cnt) { printf("Invalid program id; program not found in file\n"); return EXIT_FAILURE; } |