From: Zhu Jun zhujun2@cmss.chinamobile.com
[ Upstream commit f3ef53174b23246fe9bc2bbc2542f3a3856fa1e2 ]
The opened file should be closed in show_sockopts(), otherwise resource leak will occur that this problem was discovered by reading code
Signed-off-by: Zhu Jun zhujun2@cmss.chinamobile.com Signed-off-by: Andrii Nakryiko andrii@kernel.org Link: https://lore.kernel.org/bpf/20241010014126.2573-1-zhujun2@cmss.chinamobile.c... Signed-off-by: Sasha Levin sashal@kernel.org --- samples/bpf/test_cgrp2_sock.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/samples/bpf/test_cgrp2_sock.c b/samples/bpf/test_cgrp2_sock.c index b0811da5a00f3..3f56519a1ccd7 100644 --- a/samples/bpf/test_cgrp2_sock.c +++ b/samples/bpf/test_cgrp2_sock.c @@ -174,8 +174,10 @@ static int show_sockopts(int family) return 1; }
- if (get_bind_to_device(sd, name, sizeof(name)) < 0) + if (get_bind_to_device(sd, name, sizeof(name)) < 0) { + close(sd); return 1; + }
mark = get_somark(sd); prio = get_priority(sd);