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Message-ID: <1539043.bcCaecDElK@vostro.rjw.lan>
Date:	Sun, 28 Sep 2014 01:28:43 +0200
From:	"Rafael J. Wysocki" <rjw@...ysocki.net>
To:	ACPI Devel Maling List <linux-acpi@...r.kernel.org>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Matthew Garrett <matthew.garrett@...ula.com>,
	Andreas Noever <andreas.noever@...il.com>
Subject: [PATCH] ACPI / SBS: Fix check in acpi_ac_get_present()

From: Rafael J. Wysocki <rafael.j.wysocki@...el.com>

Parentheses are missing under an if () statement in
acpi_ac_get_present() which makes the check work differently
from what was intended (at least according to the comment right
above it).  Add the missing parens.

The problem was found by sparse.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
---
 drivers/acpi/sbs.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: linux-pm/drivers/acpi/sbs.c
===================================================================
--- linux-pm.orig/drivers/acpi/sbs.c
+++ linux-pm/drivers/acpi/sbs.c
@@ -441,7 +441,7 @@ static int acpi_ac_get_present(struct ac
 	 * The spec requires that bit 4 always be 1. If it's not set, assume
 	 * that the implementation doesn't support an SBS charger
 	 */
-	if (!(status >> 4) & 0x1)
+	if (!((status >> 4) & 0x1))
 		return -ENODEV;
 
 	sbs->charger_present = (status >> 15) & 0x1;

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