vrf: Handle CONFIG_SYSCTL not set
Randy reported compile failure when CONFIG_SYSCTL is not set/enabled: ERROR: modpost: "sysctl_vals" [drivers/net/vrf.ko] undefined! Fix by splitting out the sysctl init and cleanup into helpers that can be set to do nothing when CONFIG_SYSCTL is disabled. In addition, move vrf_strict_mode and vrf_strict_mode_change to above vrf_shared_table_handler (code move only) and wrap all of it in the ifdef CONFIG_SYSCTL. Update the strict mode tests to check for the existence of the /proc/sys entry. Fixes: 33306f1a ("vrf: add sysctl parameter for strict mode") Cc: Andrea Mayer <andrea.mayer@uniroma2.it> Reported-by:Randy Dunlap <rdunlap@infradead.org> Signed-off-by:
David Ahern <dsahern@kernel.org> Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested Signed-off-by:
David S. Miller <davem@davemloft.net>
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