Re: [PATCH] staging: lirc: fix NULL pointer dereference

From: DaeSeok Youn
Date: Wed Apr 02 2014 - 05:41:37 EST


You are right. remove whole thing and send it again.

Thanks.
Daeseok Youn

2014-04-02 18:13 GMT+09:00 Dan Carpenter <dan.carpenter@xxxxxxxxxx>:
> On Wed, Apr 02, 2014 at 05:18:39PM +0900, Daeseok Youn wrote:
>>
>> coccicheck says:
>> drivers/staging/media/lirc/lirc_igorplugusb.c:226:15-21:
>> ERROR: ir is NULL but dereferenced.
>>
>> Signed-off-by: Daeseok Youn <daeseok.youn@xxxxxxxxx>
>> ---
>> drivers/staging/media/lirc/lirc_igorplugusb.c | 4 ++--
>> 1 files changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/staging/media/lirc/lirc_igorplugusb.c b/drivers/staging/media/lirc/lirc_igorplugusb.c
>> index f508a13..0ef393b 100644
>> --- a/drivers/staging/media/lirc/lirc_igorplugusb.c
>> +++ b/drivers/staging/media/lirc/lirc_igorplugusb.c
>> @@ -223,8 +223,8 @@ static int unregister_from_lirc(struct igorplug *ir)
>> int devnum;
>>
>> if (!ir) {
>> - dev_err(&ir->usbdev->dev,
>> - "%s: called with NULL device struct!\n", __func__);
>> + printk(DRIVER_NAME "%s: called with NULL device struct!\n",
>> + __func__);
>
>
> It should be pr_err() or something. But actually "ir" can't be NULL so
> just delete the whole condition.
>
>
>> return -EINVAL;
>> }
>
> regards,
> dan carpenter
>
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