Re: [PATCH] ir-kbd-i2c: fix uninitialized variable reference

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On Thu, Nov 10, 2016 at 08:45:24AM +0100, Hans Verkuil wrote:
> Fix compiler warning about uninitialized variable reference:
> 
> ir-kbd-i2c.c: In function 'get_key_haup_common.isra.3':
> ir-kbd-i2c.c:62:2: warning: 'toggle' may be used uninitialized in this function [-Wmaybe-uninitialized]
>   printk(KERN_DEBUG MODULE_NAME ": " fmt , ## arg)
>   ^~~~~~
> ir-kbd-i2c.c:70:20: note: 'toggle' was declared here
>   int start, range, toggle, dev, code, ircode, vendor;
>                     ^~~~~~

Again this patch already exists (which does exactly the same).

https://patchwork.linuxtv.org/patch/37930/


Sean

> 
> Signed-off-by: Hans Verkuil <hansverk@xxxxxxxxx>
> ---
> diff --git a/drivers/media/i2c/ir-kbd-i2c.c b/drivers/media/i2c/ir-kbd-i2c.c
> index f95a6bc..cede397 100644
> --- a/drivers/media/i2c/ir-kbd-i2c.c
> +++ b/drivers/media/i2c/ir-kbd-i2c.c
> @@ -118,7 +118,7 @@ static int get_key_haup_common(struct IR_i2c *ir, enum rc_type *protocol,
>  			*protocol = RC_TYPE_RC6_MCE;
>  			dev &= 0x7f;
>  			dprintk(1, "ir hauppauge (rc6-mce): t%d vendor=%d dev=%d code=%d\n",
> -						toggle, vendor, dev, code);
> +						*ptoggle, vendor, dev, code);
>  		} else {
>  			*ptoggle = 0;
>  			*protocol = RC_TYPE_RC6_6A_32;
> --
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