sunrpc: copy scope ID in __rpc_copy_addr6

When copying an address, we should also copy the scopeid in the event
that this is a link-local address and the scope matters.

Signed-off-by: Jeff Layton <[e-mail]>
Signed-off-by: J. Bruce Fields <[e-mail]>

include/linux/sunrpc/clnt.h

···
 
 	dsin6->sin6_family = ssin6->sin6_family;
 	dsin6->sin6_addr = ssin6->sin6_addr;
+	dsin6->sin6_scope_id = ssin6->sin6_scope_id;
 	return true;
 }
 #else	/* !(IS_ENABLED(CONFIG_IPV6) */