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Proposal of fix for kernel segfault #116

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Proposal of fix for kernel segfault #116

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08250c8
Fix segfault
helloIAmPau Jan 14, 2015
7186a02
forcing row length to 80 chars (more on less)
helloIAmPau Apr 3, 2015
1866ae1
multiline
Apr 3, 2015
50140c3
Changing IFS to UIFS
helloIAmPau May 11, 2015
372ebf6
checking by using the petazzo way
helloIAmPau Jun 19, 2015
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7 changes: 7 additions & 0 deletions pipework
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Original file line number Diff line number Diff line change
Expand Up @@ -190,6 +190,13 @@ else
}
fi

# This avoids segfault when pipework is called twice on the same container
ip netns exec $NSPID [ -d /sys/class/net/$CONTAINER_IFNAME ] &&
echo "A bridge on ${CONTAINER_IFNAME} already exists for ${GUESTNAME}" &&
UIFS=$(ls /sys/class/net/${IFNAME}/upper_ph${NSPID}* | sed "s/\/sys\/class\/net\/${IFNAME}\/upper_ph${NSPID}//g") &&
echo "$UIFS\nare already taken" &&
exit 1

# Check if an incompatible VLAN device already exists
[ $IFTYPE = phys ] && [ "$VLAN" ] && [ -d /sys/class/net/$IFNAME.VLAN ] && {
[ -z "$(ip -d link show $IFNAME.$VLAN | grep "vlan.*id $VLAN")" ] && {
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