kern/138427: commit references a PR

[dfilter service]

The following reply was made to PR kern/138427; it has been noted by GNATS.

From: dfilter at FreeBSD.ORG (dfilter service)
To: bug-followup at FreeBSD.org
Cc:  
Subject: Re: kern/138427: commit references a PR
Date: Sun, 19 Dec 2010 10:36:11 +0000 (UTC)

 Author: bschmidt
 Date: Sun Dec 19 10:36:06 2010
 New Revision: 216557
 URL: http://svn.freebsd.org/changeset/base/216557
 
 Log:
   Fix panic trying to use monitor mode. The iwn_cmd() calls issued by
   iwn_config() want to msleep() on the mutex.
   
   PR:		kern/138427
   Submitted by:	Henry Hu <henry.hu.sh at gmail.com>
   MFC after:	3 days
 
 Modified:
   head/sys/dev/wpi/if_wpi.c
 
 Modified: head/sys/dev/wpi/if_wpi.c
 ==============================================================================
 --- head/sys/dev/wpi/if_wpi.c	Sun Dec 19 09:18:14 2010	(r216556)
 +++ head/sys/dev/wpi/if_wpi.c	Sun Dec 19 10:36:06 2010	(r216557)
 @@ -3561,7 +3561,9 @@ wpi_set_channel(struct ieee80211com *ic)
  	 * are already taken care of by their respective firmware commands.
  	 */
  	if (ic->ic_opmode == IEEE80211_M_MONITOR) {
 +		WPI_LOCK(sc);
  		error = wpi_config(sc);
 +		WPI_UNLOCK(sc);
  		if (error != 0)
  			device_printf(sc->sc_dev,
  			    "error %d settting channel\n", error);
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