From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wei Liu Subject: [PATCH V2 04/13] xen: close evtchn port if binding to irq fails Date: Mon, 4 Feb 2013 17:23:45 +0000 Message-ID: <1359998635-16866-5-git-send-email-wei.liu2@citrix.com> References: <1359998635-16866-1-git-send-email-wei.liu2@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1359998635-16866-1-git-send-email-wei.liu2@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: xen-devel@lists.xen.org Cc: david.vrabel@citrix.com, Wei Liu , ian.campbell@citrix.com, jbeulich@suse.com, konrad.wilk@oracle.com List-Id: xen-devel@lists.xenproject.org Signed-off-by: Wei Liu --- drivers/xen/evtchn.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/xen/evtchn.c b/drivers/xen/evtchn.c index b1f60a0..ef02dfa 100644 --- a/drivers/xen/evtchn.c +++ b/drivers/xen/evtchn.c @@ -269,6 +269,15 @@ static int evtchn_bind_to_user(struct per_user_data *u, int port) u->name, (void *)(unsigned long)port); if (rc >= 0) rc = evtchn_make_refcounted(port); + else { + /* bind failed, should close the port now */ + struct evtchn_close close; + close.port = port; + if (port != 0 && /* port 0 is never used */ + HYPERVISOR_event_channel_op(EVTCHNOP_close, &close) != 0) + BUG(); + set_port_user(port, NULL); + } return rc; } -- 1.7.10.4