Fix nullptr dereference of errhndlr from rtnl_dump_filter_arg
struct in rtnl_dump_done and rtnl_dump_error functions.
Fixes: 459ce6e3d7 ("ip route: ignore ENOENT during save if RT_TABLE_MAIN is being dumped")
Cc: Stephen Hemminger <stephen@networkplumber.org>
Cc: Roi Dayan <roid@nvidia.com>
Cc: Alexander Mikhalitsyn <alexander@mihalicyn.com>
Reported-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Alexander Mikhalitsyn <alexander.mikhalitsyn@virtuozzo.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
115e987035