From: Hans dedecker <dedec...@gmail.com>

When launching PROTO_CMD_TEARDOWN in interface_check_state() the interface
was set in IFS_DOWN state. In case an interface is now brought into IFS_SETUP
state in __interface_set_up() it will launch PROTO_CMD_SETUP trying to
bring the proto shell handler in S_SETUP state which will fail as the proto
shell handler is still in the S_TEARDOWN state.

Fix this by setting the interface in IFS_TEARDOWN state when the 
PROTO_CMD_TEARDOWN
event is launched which will prevent the interface being brought into IFS_SETUP 
state
as long as it's not in the IFS_DOWN state.

Signed-off-by: Hans Dedecker <dedec...@gmail.com>
---
 interface.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/interface.c b/interface.c
index b8c4ae2..fd7a826 100644
--- a/interface.c
+++ b/interface.c
@@ -342,11 +342,11 @@ interface_check_state(struct interface *iface)
        case IFS_UP:
        case IFS_SETUP:
                if (!iface->enabled || !link_state) {
-                       interface_proto_event(iface->proto, PROTO_CMD_TEARDOWN, 
false);
+                       iface->state = IFS_TEARDOWN;
                        if (iface->dynamic)
                                __set_config_state(iface, IFC_REMOVE);
 
-                       mark_interface_down(iface);
+                       interface_proto_event(iface->proto, PROTO_CMD_TEARDOWN, 
false);
                }
                break;
        case IFS_DOWN:
-- 
2.19.2


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