Date: Mon, 24 Jan 2011 18:07:57 +0000 (UTC) From: Jack F Vogel <jfv@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org Subject: svn commit: r217797 - stable/8/sys/dev/ixgbe Message-ID: <201101241807.p0OI7vj7001470@svn.freebsd.org>
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Author: jfv Date: Mon Jan 24 18:07:57 2011 New Revision: 217797 URL: http://svn.freebsd.org/changeset/base/217797 Log: MFC 217707 Don't do flow control if parameter is unchanged Modified: stable/8/sys/dev/ixgbe/ixgbe.c Directory Properties: stable/8/sys/ (props changed) stable/8/sys/amd64/include/xen/ (props changed) stable/8/sys/cddl/contrib/opensolaris/ (props changed) stable/8/sys/contrib/dev/acpica/ (props changed) stable/8/sys/contrib/pf/ (props changed) Modified: stable/8/sys/dev/ixgbe/ixgbe.c ============================================================================== --- stable/8/sys/dev/ixgbe/ixgbe.c Mon Jan 24 18:05:49 2011 (r217796) +++ stable/8/sys/dev/ixgbe/ixgbe.c Mon Jan 24 18:07:57 2011 (r217797) @@ -5267,13 +5267,17 @@ static int ixgbe_set_flowcntl(SYSCTL_HANDLER_ARGS) { int error; + int last = ixgbe_flow_control; struct adapter *adapter; error = sysctl_handle_int(oidp, &ixgbe_flow_control, 0, req); - if (error) return (error); + /* Don't bother if it's not changed */ + if (ixgbe_flow_control == last) + return (0); + adapter = (struct adapter *) arg1; switch (ixgbe_flow_control) { case ixgbe_fc_rx_pause:
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