| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.2 045/124] tools: bpftool: close prog FD before exit on showing a single program | Date | Fri, 20 Sep 2019 00:02:13 +0200 |
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From: Quentin Monnet <quentin.monnet@netronome.com>
[ Upstream commit d34b044038bfb0e19caa8b019910efc465f41d5f ]
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> Signed-off-by: Sasha Levin <sashal@kernel.org> --- tools/bpf/bpftool/prog.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/tools/bpf/bpftool/prog.c b/tools/bpf/bpftool/prog.c index 7a4e21a315236..d41651afe5f64 100644 --- a/tools/bpf/bpftool/prog.c +++ b/tools/bpf/bpftool/prog.c @@ -362,7 +362,9 @@ 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) -- 2.20.1
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