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* [PATCH] mfd: Avoid writing uninitialized value to device
@ 2011-12-08  8:45 Axel Lin
  2011-12-09  2:26 ` Haojian Zhuang
  2011-12-19 11:58 ` Samuel Ortiz
  0 siblings, 2 replies; 3+ messages in thread
From: Axel Lin @ 2011-12-08  8:45 UTC (permalink / raw)
  To: linux-kernel; +Cc: Haojian Zhuang, Samuel Ortiz

Avoid writing uninitialized value to device by explicitly initialize
zero to 0.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
---
 drivers/mfd/88pm860x-i2c.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mfd/88pm860x-i2c.c b/drivers/mfd/88pm860x-i2c.c
index e017dc8..fcde8a3 100644
--- a/drivers/mfd/88pm860x-i2c.c
+++ b/drivers/mfd/88pm860x-i2c.c
@@ -151,7 +151,7 @@ int pm860x_page_reg_write(struct i2c_client *i2c, int reg,
 			  unsigned char data)
 {
 	struct pm860x_chip *chip = i2c_get_clientdata(i2c);
-	unsigned char zero;
+	unsigned char zero = 0;
 	int ret;
 
 	mutex_lock(&chip->io_lock);
@@ -208,7 +208,7 @@ int pm860x_page_set_bits(struct i2c_client *i2c, int reg,
 			 unsigned char mask, unsigned char data)
 {
 	struct pm860x_chip *chip = i2c_get_clientdata(i2c);
-	unsigned char zero;
+	unsigned char zero = 0;
 	unsigned char value;
 	int ret;
 
-- 
1.7.5.4




^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] mfd: Avoid writing uninitialized value to device
  2011-12-08  8:45 [PATCH] mfd: Avoid writing uninitialized value to device Axel Lin
@ 2011-12-09  2:26 ` Haojian Zhuang
  2011-12-19 11:58 ` Samuel Ortiz
  1 sibling, 0 replies; 3+ messages in thread
From: Haojian Zhuang @ 2011-12-09  2:26 UTC (permalink / raw)
  To: Axel Lin; +Cc: linux-kernel, Haojian Zhuang, Samuel Ortiz

On Thu, Dec 8, 2011 at 4:45 PM, Axel Lin <axel.lin@gmail.com> wrote:
> Avoid writing uninitialized value to device by explicitly initialize
> zero to 0.
>
> Signed-off-by: Axel Lin <axel.lin@gmail.com>
> ---
Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com>

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] mfd: Avoid writing uninitialized value to device
  2011-12-08  8:45 [PATCH] mfd: Avoid writing uninitialized value to device Axel Lin
  2011-12-09  2:26 ` Haojian Zhuang
@ 2011-12-19 11:58 ` Samuel Ortiz
  1 sibling, 0 replies; 3+ messages in thread
From: Samuel Ortiz @ 2011-12-19 11:58 UTC (permalink / raw)
  To: Axel Lin; +Cc: linux-kernel, Haojian Zhuang

Hi Axel,

On Thu, Dec 08, 2011 at 04:45:20PM +0800, Axel Lin wrote:
> Avoid writing uninitialized value to device by explicitly initialize
> zero to 0.

88pm860x is now using the regmap API, so this patch is no longer relevant.

Cheers,
Samuel.

-- 
Intel Open Source Technology Centre
http://oss.intel.com/

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2011-12-19 11:54 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2011-12-08  8:45 [PATCH] mfd: Avoid writing uninitialized value to device Axel Lin
2011-12-09  2:26 ` Haojian Zhuang
2011-12-19 11:58 ` Samuel Ortiz

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