55bf3d6399
ipifcunbind() could error out from ipifcremlifc() and Medium.unbind() *after* decrementing ifc->conv->inuse! move the decrement after calling these functions. make ipifcremlifc() never raise error but return error string. the only places where it could error is when it calls into medium functions like Medium.remroute() and Medium.remmulti(). Ignore these errors as they could happen when the ethernet driver crashed (think imported ethernet device or usb ethernet in userspace), so we will be able to unbind. add waserror() handlers as neccesary to deal with errors from Medium.addmulti(), Medium.areg() and arpenter() to properly unlock the data structures. |
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