From: Felix Fietkau <nbd@nbd.name>
Date: Thu, 30 Jun 2022 15:40:33 +0000 (+0200)
Subject: bpf: ignore errors on program attach
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=425e75e3c38a7f1b6b732ff6ad0475073a6125b6;p=project%2Funetd.git

bpf: ignore errors on program attach

Fixes issues with old kernels, which return errors for no reason

Signed-off-by: Felix Fietkau <nbd@nbd.name>
---

diff --git a/bpf.c b/bpf.c
index d0ad683..955c1ca 100644
--- a/bpf.c
+++ b/bpf.c
@@ -97,9 +97,8 @@ int unetd_attach_mssfix(int ifindex, int mtu)
 	}
 
 	prog_fd = bpf_program__fd(prog);
-	if (unetd_attach_bpf_prog(ifindex, prog_fd, true) ||
-	    unetd_attach_bpf_prog(ifindex, prog_fd, false))
-		goto out;
+	unetd_attach_bpf_prog(ifindex, prog_fd, true);
+	unetd_attach_bpf_prog(ifindex, prog_fd, false);
 
 	ret = 0;