dn_getsockoptdecnet: move nf_{get/set}sockopt outside sock lock
After commit 3f34cfae ("netfilter: on sockopt() acquire sock lock only in the required scope"), the caller of nf_{get/set}sockopt() must not hold any lock, but, in such changeset, I forgot to cope with DECnet. This commit addresses the issue moving the nf call outside the lock, in the dn_{get,set}sockopt() with the same schema currently used by ipv4 and ipv6. Also moves the unhandled sockopts of the end of the main switch statements, to improve code readability. Reported-by: NPetr Vandrovec <petr@vandrovec.name> BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=198791#c2 Fixes: 3f34cfae ("netfilter: on sockopt() acquire sock lock only in the required scope") Signed-off-by: NPaolo Abeni <pabeni@redhat.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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