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 bbba0d61570fe..4f9611af46422 100644 --- a/tools/bpf/bpftool/prog.c +++ b/tools/bpf/bpftool/prog.c @@ -381,7 +381,9 @@ 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)