Re: [PATCH] Fixes kernel panic with Null pointer in hid-appleir.c

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Fri, 20 Jun 2014, Nicholas Krause wrote:

> In for loop of function appleir_input_configured we hit
> a Null pointer after the for loop due to array_size not
> being correct needs to be changed to input_dev->keycodemax.
> 
> Signed-off-by: Nicholas Krause <xerofoify@xxxxxxxxx>
> ---
>  drivers/hid/hid-appleir.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/hid/hid-appleir.c b/drivers/hid/hid-appleir.c
> index 0e6a42d..ab0a702 100644
> --- a/drivers/hid/hid-appleir.c
> +++ b/drivers/hid/hid-appleir.c
> @@ -272,7 +272,7 @@ static void appleir_input_configured(struct hid_device *hid,
>  	input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP);
>  
>  	memcpy(appleir->keymap, appleir_key_table, sizeof(appleir->keymap));
> -	for (i = 0; i < ARRAY_SIZE(appleir_key_table); i++)
> +	for (i = 0; i < ARRAY_SIZE(input_dev->keycodemax); i++)

Ugh, how is this supposed to work? input_dev->keycodemax is int, not 
array. I think you actually want sizeof(appleir->keymap) there.

-- 
Jiri Kosina
SUSE Labs
--
To unsubscribe from this list: send the line "unsubscribe linux-input" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux Media Devel]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Linux Wireless Networking]     [Linux Omap]

  Powered by Linux