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32 lines
1.3 KiB
32 lines
1.3 KiB
1 year ago
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From 298c8103db80b292791616af4fd497342a71867f Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Josef=20=C5=98=C3=ADdk=C3=BD?= <jridky@redhat.com>
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Date: Wed, 24 May 2023 10:49:41 +0200
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Subject: [PATCH] libsnmp, UDP transport: Fix sendmsg() error code handling
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This change has been made because of Linux kernel commit "ipv4: Return
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-ENETUNREACH if we can't create route but saddr is valid"
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(https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=595e0651d029)
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Fixes: https://github.com/net-snmp/net-snmp/issues/564
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Fixes: https://github.com/net-snmp/net-snmp/pull/576
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[ bvanassche: edited commit message ]
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---
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snmplib/transports/snmpUDPBaseDomain.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/snmplib/transports/snmpUDPBaseDomain.c b/snmplib/transports/snmpUDPBaseDomain.c
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index ca8f9a5554..cd6b15e2ad 100644
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--- a/snmplib/transports/snmpUDPBaseDomain.c
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+++ b/snmplib/transports/snmpUDPBaseDomain.c
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@@ -315,7 +315,7 @@ int netsnmp_udpbase_sendto_unix(int fd, const struct in_addr *srcip,
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sizeof(struct sockaddr));
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else
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rc = sendmsg(fd, &m, MSG_DONTWAIT);
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- if (rc >= 0 || errno != EINVAL)
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+ if (rc >= 0 || (errno != EINVAL && errno != ENETUNREACH))
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return rc;
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/*
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