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From: Alfred Perlstein <alfred@FreeBSD.org>
Date: Mon, 24 Aug 2009 05:03:59 +0000 (UTC)
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Subject: svn commit: r196497 - head/sys/dev/usb/wlan
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Author: alfred
Date: Mon Aug 24 05:03:59 2009
New Revision: 196497
URL: http://svn.freebsd.org/changeset/base/196497

Log:
  Remove redundant locking.
  
  Submitted by:	hps

Modified:
  head/sys/dev/usb/wlan/if_upgt.c

Modified: head/sys/dev/usb/wlan/if_upgt.c
==============================================================================
--- head/sys/dev/usb/wlan/if_upgt.c	Mon Aug 24 05:03:30 2009	(r196496)
+++ head/sys/dev/usb/wlan/if_upgt.c	Mon Aug 24 05:03:59 2009	(r196497)
@@ -465,7 +465,6 @@ upgt_ioctl(struct ifnet *ifp, u_long cmd
 
 	switch (cmd) {
 	case SIOCSIFFLAGS:
-		mtx_lock(&Giant);
 		if (ifp->if_flags & IFF_UP) {
 			if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
 				if ((ifp->if_flags ^ sc->sc_if_flags) &
@@ -482,7 +481,6 @@ upgt_ioctl(struct ifnet *ifp, u_long cmd
 		sc->sc_if_flags = ifp->if_flags;
 		if (startall)
 			ieee80211_start_all(ic);
-		mtx_unlock(&Giant);
 		break;
 	case SIOCGIFMEDIA:
 		error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd);