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* [patch] leds: tca6507: silence an uninitialized variable warning
@ 2016-04-14  9:36 Dan Carpenter
  2016-04-14 11:12 ` Jacek Anaszewski
  0 siblings, 1 reply; 2+ messages in thread
From: Dan Carpenter @ 2016-04-14  9:36 UTC (permalink / raw)
  To: Richard Purdie
  Cc: Jacek Anaszewski, linux-leds, linux-kernel, kernel-janitors

If choose_times() returns -EINVAL that means "c1" and "c2" haven't been
initialized.  I've added a check for that.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

diff --git a/drivers/leds/leds-tca6507.c b/drivers/leds/leds-tca6507.c
index c548ea1..45222a7 100644
--- a/drivers/leds/leds-tca6507.c
+++ b/drivers/leds/leds-tca6507.c
@@ -327,6 +327,8 @@ static void set_times(struct tca6507_chip *tca, int bank)
 	int result;
 
 	result = choose_times(tca->bank[bank].ontime, &c1, &c2);
+	if (result < 0)
+		return;
 	dev_dbg(&tca->client->dev,
 		"Chose on  times %d(%d) %d(%d) for %dms\n",
 		c1, time_codes[c1],

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [patch] leds: tca6507: silence an uninitialized variable warning
  2016-04-14  9:36 [patch] leds: tca6507: silence an uninitialized variable warning Dan Carpenter
@ 2016-04-14 11:12 ` Jacek Anaszewski
  0 siblings, 0 replies; 2+ messages in thread
From: Jacek Anaszewski @ 2016-04-14 11:12 UTC (permalink / raw)
  To: Dan Carpenter; +Cc: Richard Purdie, linux-leds, linux-kernel, kernel-janitors

Hi Dan,

Thanks for the patch.

Applied to the for-next branch of linux-leds.git.

Thanks,
Jacek Anaszewski

On 04/14/2016 11:36 AM, Dan Carpenter wrote:
> If choose_times() returns -EINVAL that means "c1" and "c2" haven't been
> initialized.  I've added a check for that.
>
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
>
> diff --git a/drivers/leds/leds-tca6507.c b/drivers/leds/leds-tca6507.c
> index c548ea1..45222a7 100644
> --- a/drivers/leds/leds-tca6507.c
> +++ b/drivers/leds/leds-tca6507.c
> @@ -327,6 +327,8 @@ static void set_times(struct tca6507_chip *tca, int bank)
>   	int result;
>
>   	result = choose_times(tca->bank[bank].ontime, &c1, &c2);
> +	if (result < 0)
> +		return;
>   	dev_dbg(&tca->client->dev,
>   		"Chose on  times %d(%d) %d(%d) for %dms\n",
>   		c1, time_codes[c1],
>
>

^ permalink raw reply	[flat|nested] 2+ messages in thread

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