linux-kernel - Re: [PATCH 1/2] staging: wilc1000: fix double unlock

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Message-ID: <20160429050637.GA15672@kroah.com>
Date:	Thu, 28 Apr 2016 22:06:37 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
Cc:	Johnny Kim <johnny.kim@...el.com>,
	Austin Shin <austin.shin@...el.com>,
	Chris Park <chris.park@...el.com>,
	Tony Cho <tony.cho@...el.com>, Glen Lee <glen.lee@...el.com>,
	Leo Kim <leo.kim@...el.com>, devel@...verdev.osuosl.org,
	linux-wireless@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] staging: wilc1000: fix double unlock

On Thu, Apr 14, 2016 at 08:48:48PM +0530, Sudip Mukherjee wrote:
> The semaphore was being released twice, once at the beginning of the
> thread and then again when the thread is about to close.
> The semaphore is acquired immediately after creating the thread so we
> should be releasing it when the thread ends.
> 
> Signed-off-by: Sudip Mukherjee <sudip.mukherjee@...ethink.co.uk>
> ---
>  drivers/staging/wilc1000/linux_wlan.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/staging/wilc1000/linux_wlan.c b/drivers/staging/wilc1000/linux_wlan.c
> index a858552..5643a3d 100644
> --- a/drivers/staging/wilc1000/linux_wlan.c
> +++ b/drivers/staging/wilc1000/linux_wlan.c
> @@ -313,7 +313,6 @@ static int linux_wlan_txq_task(void *vp)
>  	vif = netdev_priv(dev);
>  	wl = vif->wilc;
>  
> -	up(&wl->txq_thread_started);
>  	while (1) {
>  		down(&wl->txq_event);
>  

Doesn't apply to my tree at all :(