[PATCH 6/6] Do not try to bring an already-up inferface back up.

[Victor Lowther]

---
 ifup |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/ifup b/ifup
index 83f6522..3878c41 100755
--- a/ifup
+++ b/ifup
@@ -1,5 +1,8 @@
 #!/bin/sh
 
+# bail immediatly if the interface is already up
+[ -f "/net.$1.up" ] && exit 0
+
 # loopback is always handled the same way
 [ "$1" = "lo" ] && {
     ip link set lo up
-- 
1.6.0.6

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