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tools: bpftool: fix argument for p_err() in BTF do_dump()

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The last argument passed to one call to the p_err() function is not
correct, it should be "*argv" instead of "**argv". This may lead to a
segmentation fault error if BTF id cannot be parsed correctly. Let's fix
this.

Fixes: c93cc69004dt ("bpftool: add ability to dump BTF types")
Signed-off-by: Quentin Monnet <quentin.monnet@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Quentin Monnet 2019-08-15 15:32:17 +01:00 committed by Alexei Starovoitov
parent 22c349e8db
commit ed4a3983cd
1 changed files with 1 additions and 1 deletions
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tools/bpf/bpftool/btf.c
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@ -449,7 +449,7 @@ static int do_dump(int argc, char **argv)
btf_id = strtoul(*argv, &endptr, 0);
if (*endptr) {
p_err("can't parse %s as ID", **argv);
p_err("can't parse %s as ID", *argv);
return -1;
}
NEXT_ARG();