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From: Johannes Berg <johannes@sipsolutions.net>
To: Stanislaw Gruszka <sgruszka@redhat.com>
Cc: Wey-Yi Guy <wey-yi.w.guy@intel.com>,
	Reinette Chatre <reinette.chatre@intel.com>,
	"John W. Linville" <linville@tuxdriver.com>,
	linux-wireless@vger.kernel.org
Subject: Re: [RFC PATCH] iwlwifi: abort scan when restarting
Date: Mon, 09 Aug 2010 19:06:53 +0200	[thread overview]
Message-ID: <1281373613.20185.3.camel@jlt3.sipsolutions.net> (raw)
In-Reply-To: <20100809160203.GA22569@redhat.com>

On Mon, 2010-08-09 at 18:02 +0200, Stanislaw Gruszka wrote:

> iwl_scan_cancel_timeout() will not success if we are performing it
> from work handler, because workqueue can not fire new work when
> still other one is performed. To prevent such situation
> schedule priv->abort_scan to generic workqueue. Also increase
> sleep time to have better change abort_scan work complete.

I don't like this much, but you're right. However, I think we can get
around this by having iwl_scan_cancel_timeout() not call
iwl_scan_cancel() but rather do everything that iwl_bg_abort_scan()
would do directly, since _timeout() may sleep, while scan_cancel() may
not. What do you think?

johannes


  reply	other threads:[~2010-08-09 17:07 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-08-09 16:02 [RFC PATCH] iwlwifi: abort scan when restarting Stanislaw Gruszka
2010-08-09 17:06 ` Johannes Berg [this message]
2010-08-10  6:57   ` Stanislaw Gruszka

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