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From: Sean Farley <scf@FreeBSD.org>
Date: Tue, 17 Mar 2009 02:32:37 +0000 (UTC)
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Subject: svn commit: r189907 - head/sys/net
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Author: scf
Date: Tue Mar 17 02:32:36 2009
New Revision: 189907
URL: http://svn.freebsd.org/changeset/base/189907

Log:
  Remove the splimp()/splx() calls around the setting of the MTU.  They are
  no-op's that I inadvertently added.  Even if locking is needed in general
  for the ioctl's, setting a single long will not need it due to the operation
  being atomic.
  
  Reported by:	rwatson

Modified:
  head/sys/net/if_tap.c

Modified: head/sys/net/if_tap.c
==============================================================================
--- head/sys/net/if_tap.c	Tue Mar 17 01:46:40 2009	(r189906)
+++ head/sys/net/if_tap.c	Tue Mar 17 02:32:36 2009	(r189907)
@@ -611,9 +611,7 @@ tapifioctl(struct ifnet *ifp, u_long cmd
 			break;
 
 		case SIOCSIFMTU:
-			s = splimp();
 			ifp->if_mtu = ifr->ifr_mtu;
-			splx(s);
 			break;
 
 		case SIOCGIFSTATUS: