From: Tomasz Figa <t.figa@samsung.com>
Date: Tue, 5 Nov 2013 15:21:18 +0000 (+0100)
Subject: of: irq: Fix interrupt-map entry matching
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=74dac2ed699cbe1dee0e4e7891619d53a5f2632f;p=openwrt%2Fstaging%2Fblogic.git

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: Tomasz Figa <t.figa@samsung.com>
Tested-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
---

diff --git a/drivers/of/irq.c b/drivers/of/irq.c
index d385bb824772..786b0b47fae4 100644
--- a/drivers/of/irq.c
+++ b/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);