of: irq: Fix interrupt-map entry matching

This patch fixes interrupt-map entry matching code to properly match all
specifier cells with interrupt map entries.
Signed-off-by: NTomasz Figa <t.figa@samsung.com>
Tested-by: NSachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: NRob Herring <rob.herring@calxeda.com>

drivers/of/irq.c

@@ -199,7 +199,7 @@ int of_irq_parse_raw(const __be32 *addr, struct of_phandle_args *out_irq)
 			/* Compare specifiers */
 			match = 1;
 			for (i = 0; i < (addrsize + intsize); i++, imaplen--)
-				match = !((match_array[i] ^ *imap++) & imask[i]);
+				match &= !((match_array[i] ^ *imap++) & imask[i]);
 
 			pr_debug(" -> match=%d (imaplen=%d)\n", match, imaplen);