linux-kernel - [PATCH] power: bq24190_charger: suppress build warning

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Date:	Thu,  4 Dec 2014 14:56:04 +0000
From:	"Lad, Prabhakar" <prabhakar.csengg@...il.com>
To:	Sebastian Reichel <sre@...nel.org>,
	Dmitry Eremin-Solenikov <dbaryshkov@...il.com>,
	David Woodhouse <dwmw2@...radead.org>
Cc:	linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
	"Lad, Prabhakar" <prabhakar.csengg@...il.com>
Subject: [PATCH] power: bq24190_charger: suppress build warning

This patch fixes following build warning:

In file included from include/linux/printk.h:261:0,
                 from include/linux/kernel.h:13,
                 from include/linux/list.h:8,
                 from include/linux/module.h:9,
                 from drivers/power/bq24190_charger.c:11:
drivers/power/bq24190_charger.c: In function ‘bq24190_irq_handler_thread’:
include/linux/dynamic_debug.h:86:20: warning: ‘ss_reg’ may be used uninitialized in this function [-Wmaybe-uninitialized]
   __dynamic_dev_dbg(&descriptor, dev, fmt, \
                    ^
drivers/power/bq24190_charger.c:1211:5: note: ‘ss_reg’ was declared here
  u8 ss_reg, f_reg;
     ^
In file included from include/linux/printk.h:261:0,
                 from include/linux/kernel.h:13,
                 from include/linux/list.h:8,
                 from include/linux/module.h:9,
                 from drivers/power/bq24190_charger.c:11:
include/linux/dynamic_debug.h:86:20: warning: ‘f_reg’ may be used uninitialized in this function [-Wmaybe-uninitialized]
   __dynamic_dev_dbg(&descriptor, dev, fmt, \
                    ^
drivers/power/bq24190_charger.c:1211:13: note: ‘f_reg’ was declared here
  u8 ss_reg, f_reg;

Signed-off-by: Lad, Prabhakar <prabhakar.csengg@...il.com>
---
 drivers/power/bq24190_charger.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/power/bq24190_charger.c b/drivers/power/bq24190_charger.c
index ad3ff8f..72e552d 100644
--- a/drivers/power/bq24190_charger.c
+++ b/drivers/power/bq24190_charger.c
@@ -1208,7 +1208,7 @@ static irqreturn_t bq24190_irq_handler_thread(int irq, void *data)
 {
 	struct bq24190_dev_info *bdi = data;
 	bool alert_userspace = false;
-	u8 ss_reg, f_reg;
+	u8 ss_reg = 0, f_reg = 0;
 	int ret;
 
 	pm_runtime_get_sync(bdi->dev);
-- 
1.9.1

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