[xen staging] tools/hotplug/Linux: remove code duplication in vif-bridge

[patchbot@xxxxxxx]

commit b51715f02bf916c9cd6740b1047ba4396d85bbb0
Author:     Paul Durrant <pdurrant@xxxxxxxxxx>
AuthorDate: Tue Aug 11 09:01:58 2020 +0100
Commit:     Wei Liu <wl@xxxxxxx>
CommitDate: Thu Aug 27 10:04:14 2020 +0000

    tools/hotplug/Linux: remove code duplication in vif-bridge
    
    The 'add' and 'online' cases do exactly the same thing so have 'add' simply
    fall through to 'online'.
    
    NOTE: This patch also adds in the missing 'remove' case, which falls though
          to 'offline'. (The former is passed for 'tap' devices, the latter for
          'vif' devices).
    
    Signed-off-by: Paul Durrant <pdurrant@xxxxxxxxxx>
    Acked-by: Wei Liu <wl@xxxxxxx>
---
 tools/hotplug/Linux/vif-bridge | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/tools/hotplug/Linux/vif-bridge b/tools/hotplug/Linux/vif-bridge
index c3e409926d..e1d7c49788 100644
--- a/tools/hotplug/Linux/vif-bridge
+++ b/tools/hotplug/Linux/vif-bridge
@@ -77,21 +77,18 @@ then
 fi
 
 case "$command" in
+    add)
+        ;&
     online)
         setup_virtual_bridge_port "$dev"
         set_mtu "$bridge" "$dev"
         add_to_bridge "$bridge" "$dev"
         ;;
-
+    remove)
+        ;&
     offline)
         remove_from_bridge "$bridge" "$dev"
         ;;
-
-    add)
-        setup_virtual_bridge_port "$dev"
-        set_mtu "$bridge" "$dev"
-        add_to_bridge "$bridge" "$dev"
-        ;;
 esac
 
 handle_iptable
--
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