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From: Tony Lindgren <tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
To: Kalle Valo <kvalo-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
Cc: Eyal Reizer <eyalr-l0cyMroinI0@public.gmane.org>,
	Kishon Vijay Abraham I <kishon-l0cyMroinI0@public.gmane.org>,
	Guy Mishol <guym-l0cyMroinI0@public.gmane.org>,
	linux-wireless-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Anders Roxell
	<anders.roxell-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
	John Stultz <john.stultz-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
	Ulf Hansson <ulf.hansson-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Subject: Re: [PATCH] wlcore: fix race for WL1271_FLAG_IRQ_RUNNING
Date: Mon, 7 Oct 2019 08:47:03 -0700	[thread overview]
Message-ID: <20191007154703.GP5610@atomide.com> (raw)
In-Reply-To: <20191007153731.58045-1-tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>

* Tony Lindgren <tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org> [191007 08:38]:
> --- a/drivers/net/wireless/ti/wlcore/main.c
> +++ b/drivers/net/wireless/ti/wlcore/main.c
> @@ -692,6 +687,9 @@ static irqreturn_t wlcore_irq(int irq, void *cookie)
>  
>  	mutex_unlock(&wl->mutex);
>  
> +out_handled:
> +	clear_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags);
> +
>  	return IRQ_HANDLED;
>  }

Sorry looks like I again sent out the patch too fast. The clear_bit()
here should have spin_lock_irqsave() and spin_unlock_irqrestore()
around it like we do elsewhere in the code currently.

Regards,

Tony

WARNING: multiple messages have this Message-ID (diff)
From: Tony Lindgren <tony@atomide.com>
To: Kalle Valo <kvalo@codeaurora.org>
Cc: Eyal Reizer <eyalr@ti.com>,
	Kishon Vijay Abraham I <kishon@ti.com>, Guy Mishol <guym@ti.com>,
	linux-wireless@vger.kernel.org, linux-omap@vger.kernel.org,
	Anders Roxell <anders.roxell@linaro.org>,
	John Stultz <john.stultz@linaro.org>,
	Ulf Hansson <ulf.hansson@linaro.org>
Subject: Re: [PATCH] wlcore: fix race for WL1271_FLAG_IRQ_RUNNING
Date: Mon, 7 Oct 2019 08:47:03 -0700	[thread overview]
Message-ID: <20191007154703.GP5610@atomide.com> (raw)
In-Reply-To: <20191007153731.58045-1-tony@atomide.com>

* Tony Lindgren <tony@atomide.com> [191007 08:38]:
> --- a/drivers/net/wireless/ti/wlcore/main.c
> +++ b/drivers/net/wireless/ti/wlcore/main.c
> @@ -692,6 +687,9 @@ static irqreturn_t wlcore_irq(int irq, void *cookie)
>  
>  	mutex_unlock(&wl->mutex);
>  
> +out_handled:
> +	clear_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags);
> +
>  	return IRQ_HANDLED;
>  }

Sorry looks like I again sent out the patch too fast. The clear_bit()
here should have spin_lock_irqsave() and spin_unlock_irqrestore()
around it like we do elsewhere in the code currently.

Regards,

Tony

  parent reply	other threads:[~2019-10-07 15:47 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-07 15:37 [PATCH] wlcore: fix race for WL1271_FLAG_IRQ_RUNNING Tony Lindgren
2019-10-07 15:37 ` Tony Lindgren
     [not found] ` <20191007153731.58045-1-tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
2019-10-07 15:47   ` Tony Lindgren [this message]
2019-10-07 15:47     ` Tony Lindgren

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