[PATCH] tools/hotplug: quote all variables in vif-bridge

[Olaf Hering <olaf@aepfle.de>]

Cosmetics: most of the variables used in vif-bridge are already quoted.
Add quoting also to the remaining shell variables.

Signed-off-by: Olaf Hering <olaf@aepfle.de>
Cc: Ian Jackson <ian.jackson@eu.citrix.com>
Cc: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Cc: Ian Campbell <ian.campbell@citrix.com>
Cc: Wei Liu <wei.liu2@citrix.com>
---
 tools/hotplug/Linux/vif-bridge | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/hotplug/Linux/vif-bridge b/tools/hotplug/Linux/vif-bridge
index 3d72ca4..6956dea 100644
--- a/tools/hotplug/Linux/vif-bridge
+++ b/tools/hotplug/Linux/vif-bridge
@@ -68,7 +68,7 @@ else
 fi
 
 RET=0
-ip link show dev $bridge 1>/dev/null 2>&1 || RET=1
+ip link show dev "$bridge" 1>/dev/null 2>&1 || RET=1
 if [ "$RET" -eq 1 ]
 then
     fatal "Could not find bridge device $bridge"
@@ -77,7 +77,7 @@ fi
 case "$command" in
     online)
         setup_virtual_bridge_port "$dev"
-        set_mtu $bridge $dev
+        set_mtu "$bridge" "$dev"
         add_to_bridge "$bridge" "$dev"
         ;;
 
@@ -88,7 +88,7 @@ case "$command" in
 
     add)
         setup_virtual_bridge_port "$dev"
-        set_mtu $bridge $dev
+        set_mtu "$bridge" "$dev"
         add_to_bridge "$bridge" "$dev"
         ;;
 esac