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