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authorZhu Jun <zhujun2@cmss.chinamobile.com>2024-10-10 03:41:26 +0200
committerAndrii Nakryiko <andrii@kernel.org>2024-10-11 04:13:47 +0200
commitf3ef53174b23246fe9bc2bbc2542f3a3856fa1e2 (patch)
treebee2c9df68dd9459c1f4081ca3d28fb0d56491dd /samples
parentbpf: Update bpf_override_return() comment (diff)
downloadlinux-f3ef53174b23246fe9bc2bbc2542f3a3856fa1e2.tar.xz
linux-f3ef53174b23246fe9bc2bbc2542f3a3856fa1e2.zip
samples/bpf: Fix a resource leak
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.com
Diffstat (limited to 'samples')
-rw-r--r--samples/bpf/test_cgrp2_sock.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/samples/bpf/test_cgrp2_sock.c b/samples/bpf/test_cgrp2_sock.c
index a0811df888f4..8ca2a445ffa1 100644
--- a/samples/bpf/test_cgrp2_sock.c
+++ b/samples/bpf/test_cgrp2_sock.c
@@ -178,8 +178,10 @@ 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);