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On building the route there is an assumption that the destination could be local. In this case loopback_dev is used to get the address. If the address is still cannot be retrieved dn_route_output_slow returns EADDRNOTAVAIL with loopback_dev reference taken. Cannot find hash for the fixes tag because this code was introduced long time ago. I don't think that this bug has ever fired but the patch is done just to have a consistent code base. Signed-off-by: Vadim Fedorenko <vfedorenko@novek.ru> Link: https://lore.kernel.org/r/1611619334-20955-1-git-send-email-vfedorenko@novek.ru Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Linux DECnet Project ====================== The documentation for this kernel subsystem is available in the Documentation/networking subdirectory of this distribution and also on line at http://www.chygwyn.com/DECnet/ Steve Whitehouse <SteveW@ACM.org>