From: Roy Marples <roy@marples.name>
Date: Wed, 9 Dec 2020 11:15:30 +0000 (+0000)
Subject: privsep: Don't log a BPF error that network is down
X-Git-Tag: v9.4.0~19
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e99249b6083c5f1b2f58c6b2a8fdee080d6998bd;p=thirdparty%2Fdhcpcd.git

privsep: Don't log a BPF error that network is down

The master process will catch this clean remove the BPF process.
---

diff --git a/src/privsep-bpf.c b/src/privsep-bpf.c
index 23da9a07..79c4696d 100644
--- a/src/privsep-bpf.c
+++ b/src/privsep-bpf.c
@@ -73,7 +73,8 @@ ps_bpf_recvbpf(void *arg)
 		if (len == -1) {
 			int error = errno;
 
-			logerr("%s: %s", psp->psp_ifname, __func__);
+			if (errno != ENETDOWN)
+				logerr("%s: %s", psp->psp_ifname, __func__);
 			if (error != ENXIO)
 				break;
 			/* If the interface has departed, close the BPF