can: convert to %pK for kptr_restrict support

As these pointers have been printed without using %p they were missed in the
big network kptr_restrict conversion patch %p -> %pK from Dan Rosenberg.
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/can/proc.c

@@ -204,12 +204,11 @@ static void can_print_rcvlist(struct seq_file *m, struct hlist_head *rx_list,
 
 	hlist_for_each_entry_rcu(r, n, rx_list, list) {
 		char *fmt = (r->can_id & CAN_EFF_FLAG)?
-			"   %-5s  %08X  %08x  %08x  %08x  %8ld  %s\n" :
-			"   %-5s     %03X    %08x  %08lx  %08lx  %8ld  %s\n";
+			"   %-5s  %08x  %08x  %pK  %pK  %8ld  %s\n" :
+			"   %-5s     %03x    %08x  %pK  %pK  %8ld  %s\n";
 
 		seq_printf(m, fmt, DNAME(dev), r->can_id, r->mask,
-				(unsigned long)r->func, (unsigned long)r->data,
-				r->matches, r->ident);
+				r->func, r->data, r->matches, r->ident);
 	}
 }