NetworkManager/0005-core-only-set-IPv6-hop_limit-for-values-greater-than.patch
2014-10-29 12:15:04 +01:00

32 lines
1.0 KiB
Diff

From 6a79acb03abc3406b3889738f8003e5f385af1eb Mon Sep 17 00:00:00 2001
From: Christian Hesse <mail@eworm.de>
Date: Mon, 15 Sep 2014 11:35:53 +0200
Subject: [PATCH] core: only set IPv6 hop_limit for values greater than zero
A "Cur Hop Limit" field value of 0 in a router advertisement means
"unspecified by this router" and should not be set in the kernel.
(cherry picked from commit c668297257aef17f921518f6a7efac2ede2af76a)
---
src/devices/nm-device.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/src/devices/nm-device.c b/src/devices/nm-device.c
index 291f03f..3d8baf8 100644
--- a/src/devices/nm-device.c
+++ b/src/devices/nm-device.c
@@ -3616,7 +3616,9 @@ rdisc_config_changed (NMRDisc *rdisc, NMRDiscConfigMap changed, NMDevice *device
}
}
- if (changed & NM_RDISC_CONFIG_HOP_LIMIT) {
+ /* hop_limit == 0 is a special value "unspecified", so do not touch
+ * in this case */
+ if (changed & NM_RDISC_CONFIG_HOP_LIMIT && rdisc->hop_limit > 0) {
char val[16];
g_snprintf (val, sizeof (val), "%d", rdisc->hop_limit);
--
1.9.3