39 lines
1.6 KiB
Diff
39 lines
1.6 KiB
Diff
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From f1e7add2bf74b836bc29d20df2e4e53638e49936 Mon Sep 17 00:00:00 2001
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From: Harald Hoyer <harald@redhat.com>
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Date: Fri, 6 Jul 2012 12:57:17 +0200
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Subject: [PATCH] network/ifname-genrules.sh: check for multiple ifname= lines
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---
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modules.d/40network/ifname-genrules.sh | 18 +++++++++++++++++-
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1 file changed, 17 insertions(+), 1 deletion(-)
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diff --git a/modules.d/40network/ifname-genrules.sh b/modules.d/40network/ifname-genrules.sh
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index d5f8b0f..3cf4be7 100755
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--- a/modules.d/40network/ifname-genrules.sh
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+++ b/modules.d/40network/ifname-genrules.sh
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@@ -12,7 +12,23 @@ command -v parse_ifname_opts >/dev/null || . /lib/net-lib.sh
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{
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for p in $(getargs ifname=); do
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parse_ifname_opts $p
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+
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+ if [ -f /tmp/ifname-$ifname_mac ]; then
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+ read oldif < /tmp/ifname-$ifname_mac
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+ fi
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+ if [ -f /tmp/ifname-$ifname_if ]; then
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+ read oldmac < /tmp/ifname-$ifname_if
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+ fi
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+ if [ -n "$oldif" -a -n "$oldmac" -a "$oldif" = "$ifname_if" -a "$oldmac" = "$ifname_mac" ]; then
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+ # skip same ifname= declaration
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+ continue
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+ fi
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+
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+ [ -n "$oldif" ] && warn "Multiple interface names specified for MAC $ifname_mac: $oldif"
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+ [ -n "$oldmac" ] && warn "Multiple MAC specified for $ifname_if: $oldmac"
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+
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printf 'SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="%s", ATTR{type}=="1", NAME="%s"\n' "$ifname_mac" "$ifname_if"
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+ echo $ifname_if > /tmp/ifname-$ifname_mac
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+ echo $ifname_mac > /tmp/ifname-$ifname_if
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done
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-
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} >> /etc/udev/rules.d/80-ifname.rules
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