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From: Kalle Valo <kvalo@qca.qualcomm.com>
To: <rmani@qca.qualcomm.com>
Cc: <linux-wireless@vger.kernel.org>,
	ath6kl-devel <ath6kl-devel@qualcomm.com>
Subject: Re: [PATCH 3/3] ath6kl: Check for valid endpoint ID values in ath6kl_control_tx()
Date: Fri, 21 Sep 2012 12:18:29 +0300	[thread overview]
Message-ID: <505C30E5.6080208@qca.qualcomm.com> (raw)
In-Reply-To: <1348122068-24648-3-git-send-email-rmani@qca.qualcomm.com>

On 09/20/2012 09:21 AM, rmani@qca.qualcomm.com wrote:
> From: Raja Mani <rmani@qca.qualcomm.com>
> 
> It's safe to check endpoint id values before it get
> really used. Found this on code review.
> 
> Signed-off-by: Raja Mani <rmani@qca.qualcomm.com>
> ---
>  drivers/net/wireless/ath/ath6kl/txrx.c |    6 ++++++
>  1 files changed, 6 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/net/wireless/ath/ath6kl/txrx.c b/drivers/net/wireless/ath/ath6kl/txrx.c
> index e867193..4ea6559 100644
> --- a/drivers/net/wireless/ath/ath6kl/txrx.c
> +++ b/drivers/net/wireless/ath/ath6kl/txrx.c
> @@ -294,6 +294,12 @@ int ath6kl_control_tx(void *devt, struct sk_buff *skb,
>  		return -EACCES;
>  	}
>  
> +	if (WARN_ON_ONCE(eid == ENDPOINT_UNUSED ||
> +	    eid >= ENDPOINT_MAX)) {
> +		status = -EINVAL;
> +		goto fail_ctrl_tx;
> +	}

Indentation for the line starting with eid doesn't look right (or my
thunderbird is corrupting it again). But I can fix it up when I commit
the patch. (I assume you will send v2 of this patchset.)

Kalle

  reply	other threads:[~2012-09-21  9:18 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-09-20  6:21 [PATCH 1/3] ath6kl: Avoid null ptr dereference while printing reg domain pair rmani
2012-09-20  6:21 ` [PATCH 2/3] ath6kl: Check for valid rate table index rmani
2012-09-21  9:16   ` Kalle Valo
2012-09-20  6:21 ` [PATCH 3/3] ath6kl: Check for valid endpoint ID values in ath6kl_control_tx() rmani
2012-09-21  9:18   ` Kalle Valo [this message]
2012-09-21  9:34     ` Raja Mani
2012-09-21  9:35     ` Raja Mani
2012-09-21  9:14 ` [PATCH 1/3] ath6kl: Avoid null ptr dereference while printing reg domain pair Kalle Valo

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