From: Tony Lindgren <tony@atomide.com>
Date: Wed, 5 Sep 2012 00:22:45 +0000 (-0700)
Subject: ARM: OMAP4: Fix array size for irq_target_cpu
X-Git-Tag: omap-fixes-for-v3.6-rc4~1^2
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e534e871a94ba2e3bfdf0edd3685eb805fc960d8;p=pandora-kernel.git

ARM: OMAP4: Fix array size for irq_target_cpu

If NR_IRQS is less than MAX_IRQS, we end up writing past the
irq_target_cpu array in omap_wakeupgen_init():

/* Associate all the IRQs to boot CPU like GIC init does. */
for (i = 0; i < max_irqs; i++)
	irq_target_cpu[i] = boot_cpu;

This can happen if SPARSE_IRQ is enabled as by default NR_IRQS is
set to 16. Without this patch we're overwriting other data during
the boot.

Looks like a similar fix was posted by Benoit Cousson earlier
as "ARM: OMAP2+: wakeupgen: Fix wrong array size for irq_target_cpu"
but was lost.

Cc: stable@vger.kernel.org
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---

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