From: David Brownell <david-b@pacbell.net>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Henrique de Moraes Holschuh <hmh@hmh.eng.br>,
Richard Purdie <rpurdie@rpsys.net>,
linux-kernel@vger.kernel.org, Ingo Molnar <mingo@elte.hu>,
Geert Uytterhoeven <geert@linux-m68k.org>,
netdev@vger.kernel.org,
Martin Schwidefsky <schwidefsky@de.ibm.com>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
linux-usb@vger.kernel.org, linux-wireless@vger.kernel.org,
video4linux-list@redhat.com,
Stefan Richter <stefanr@s5r6.in-berlin.de>,
lm-sensors@lm-sensors.org
Subject: Re: use of preempt_count instead of in_atomic() at leds-gpio.c
Date: Fri, 21 Mar 2008 10:04:04 -0700 [thread overview]
Message-ID: <200803211004.05106.david-b@pacbell.net> (raw)
In-Reply-To: <20080320180802.426ad2d1.akpm@linux-foundation.org>
On Thursday 20 March 2008, Andrew Morton wrote:
> ./drivers/net/usb/pegasus.c
>
> Possibly buggy: deadlockable (I assume)
Looks just unecessary to me ... ethtool MII ops get called from
a task context, as I recall, and other drivers just rely on that.
- Dave
========= CUT HERE
Remove superfluous in-atomic() check; ethtool MII ops are called
from task context.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
---
drivers/net/usb/pegasus.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
--- g26.orig/drivers/net/usb/pegasus.c 2008-03-21 08:53:28.000000000 -0700
+++ g26/drivers/net/usb/pegasus.c 2008-03-21 08:54:07.000000000 -0700
@@ -1128,12 +1128,8 @@ pegasus_get_settings(struct net_device *
{
pegasus_t *pegasus;
- if (in_atomic())
- return 0;
-
pegasus = netdev_priv(dev);
mii_ethtool_gset(&pegasus->mii, ecmd);
-
return 0;
}
next prev parent reply other threads:[~2008-03-21 17:04 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-16 18:43 use of preempt_count instead of in_atomic() at leds-gpio.c Henrique de Moraes Holschuh
2008-03-16 19:46 ` David Brownell
2008-03-18 7:14 ` Andrew Morton
2008-03-18 19:06 ` David Brownell
2008-03-18 20:07 ` Andrew Morton
2008-03-20 22:56 ` Henrique de Moraes Holschuh
2008-03-20 23:47 ` Andrew Morton
2008-03-21 0:36 ` Henrique de Moraes Holschuh
2008-03-21 1:08 ` Andrew Morton
2008-03-21 1:31 ` Alan Stern
2008-03-21 1:36 ` Michael Buesch
2008-03-21 2:27 ` Andrew Morton
2008-03-21 3:07 ` Alan Stern
2008-03-21 3:17 ` Andrew Morton
2008-03-21 9:53 ` Jean Delvare
2008-03-21 17:37 ` Andrew Morton
2008-03-21 18:05 ` Alan Stern
2008-03-24 19:34 ` Jonathan Corbet
2008-03-24 19:42 ` Andrew Morton
2008-03-24 19:53 ` Jonathan Corbet
2008-03-25 8:52 ` Junio C Hamano
2008-03-25 10:39 ` Jean Delvare
2008-03-25 13:44 ` Jonathan Corbet
2008-03-25 23:20 ` David Brownell
2008-03-26 14:28 ` Alan Stern
2008-03-26 16:17 ` Henrique de Moraes Holschuh
2008-03-26 16:46 ` Richard Purdie
2008-03-27 18:51 ` David Brownell
2008-03-21 15:11 ` Tetsuo Handa
2008-03-21 16:54 ` Stefan Richter
2008-03-21 17:02 ` Stefan Richter
2008-03-23 5:53 ` Tetsuo Handa
2008-03-21 13:47 ` Heiko Carstens
2008-03-21 16:54 ` Greg KH
2008-03-21 19:59 ` Andrew Morton
2008-03-21 20:16 ` Michael Buesch
2008-03-21 20:20 ` Michael Buesch
2008-03-21 9:21 ` Stefan Richter
2008-03-21 9:27 ` Stefan Richter
2008-03-21 12:37 ` Henrique de Moraes Holschuh
2008-03-21 13:16 ` Stefan Richter
2008-03-22 11:29 ` Stefan Richter
2008-03-21 17:04 ` David Brownell [this message]
2008-03-21 0:56 ` Richard Purdie
2008-03-21 2:10 ` Henrique de Moraes Holschuh
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