From: Stephen Hemminger <shemminger@linux-foundation.org>
To: Jeff Garzik <jeff@garzik.org>
Cc: James Ketrenos <jketreno@linux.intel.com>,
linux-wireless@vger.kernel.org
Subject: Re: [PATCH] iwlwifi MSI support (rev3)
Date: Thu, 14 Jun 2007 13:17:54 -0700 [thread overview]
Message-ID: <20070614131754.7e0797b9@localhost> (raw)
In-Reply-To: <46718E7A.6090001@garzik.org>
On Thu, 14 Jun 2007 14:52:42 -0400
Jeff Garzik <jeff@garzik.org> wrote:
> Stephen Hemminger wrote:
> > The previous patch would crash on remove. pci_disable_msi has to be
> > called after free_irq. FYI - pci_disable_msi is safe if MSI hasn't been
> > enabled.
> >
> > --- a/drivers/net/wireless/mac80211/iwlwifi/base.c 2007-06-13 11:10:10.000000000 -0700
> > +++ b/drivers/net/wireless/mac80211/iwlwifi/base.c 2007-06-14 11:47:01.000000000 -0700
> > @@ -8117,10 +8117,13 @@ static int iwl_pci_probe(struct pci_dev
> > /* If power management is turned on, default to AC mode */
> > priv->power_mode = IWL_POWER_AC;
> > priv->user_txpower_limit = IWL_DEFAULT_TX_POWER;
> > +
> > + pci_enable_msi(pdev);
>
> The API wants fixing, if code that fails to check return value of
> pci_enable_msi() is being written.
Why, what would be worth doing?
next prev parent reply other threads:[~2007-06-14 20:18 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-14 18:48 [PATCH] iwlwifi MSI support (rev3) Stephen Hemminger
2007-06-14 18:52 ` Jeff Garzik
2007-06-14 20:17 ` Stephen Hemminger [this message]
2007-06-14 22:47 ` Stephen Hemminger
2007-06-14 23:02 ` Jeff Garzik
2007-06-15 0:11 ` Stephen Hemminger
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