From: Lin Ming <ming.m.lin@intel.com>
Date: Wed, 1 Jun 2011 15:54:02 +0000 (+0800)
Subject: ACPI: Fixes device power states array overflow
X-Git-Tag: firefly_0821_release~3680^2~5045^2~1
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=b4a03b9aa96cc186bf3cfd7a55cb7d7227f0cf4d;p=firefly-linux-kernel-4.4.55.git

ACPI: Fixes device power states array overflow

Commit 28c2103 added new state ACPI_STATE_D3_COLD, so the device power
states array must be expanded by one also.

v2: Use ACPI_D_STATE_COUNT instead of number 5 for the array size.

Reported-by: Dan Carpenter <error27@gmail.com>
Suggested-by: Oldřich Jedlička <oldium.pro@seznam.cz>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---

diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index 3a10ef5914eb..6cd5b6403a7b 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -210,7 +210,7 @@ struct acpi_device_power_state {
 struct acpi_device_power {
 	int state;		/* Current state */
 	struct acpi_device_power_flags flags;
-	struct acpi_device_power_state states[4];	/* Power states (D0-D3) */
+	struct acpi_device_power_state states[ACPI_D_STATE_COUNT];	/* Power states (D0-D3Cold) */
 };
 
 /* Performance Management */