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tools: bpftool: close prog FD before exit on showing a single program

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When showing metadata about a single program by invoking
"bpftool prog show PROG", the file descriptor referring to the program
is not closed before returning from the function. Let's close it.

Fixes: 71bb428fe2c1 ("tools: bpf: add bpftool")
Signed-off-by: Quentin Monnet <quentin.monnet@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Quentin Monnet 2019-08-15 15:22:23 +01:00 committed by Alexei Starovoitov
parent 27df5c7068
commit d34b044038
1 changed files with 3 additions and 1 deletions
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4
tools/bpf/bpftool/prog.c
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@ -363,7 +363,9 @@ static int do_show(int argc, char **argv)
if (fd < 0)
return -1;
return show_prog(fd);
err = show_prog(fd);
close(fd);
return err;
}
if (argc)