It seems to me that irda_usb_net_open() must set self->netopen
under spinlock or disconnect() may fail to kill all URBs, if it is called
while an interface is opened.

From: Oliver Neukum <[EMAIL PROTECTED]>
Signed-off-by: Oliver Neukum <[EMAIL PROTECTED]>
Signed-off-by: Samuel Ortiz <[EMAIL PROTECTED]>

---
 drivers/net/irda/irda-usb.c |    5 +++++
 1 file changed, 5 insertions(+)

Index: net-2.6/drivers/net/irda/irda-usb.c
===================================================================
--- net-2.6.orig/drivers/net/irda/irda-usb.c    2007-11-25 05:53:43.000000000 
+0100
+++ net-2.6/drivers/net/irda/irda-usb.c 2007-11-25 07:12:09.000000000 +0100
@@ -1168,6 +1168,7 @@
 static int irda_usb_net_open(struct net_device *netdev)
 {
        struct irda_usb_cb *self;
+       unsigned long flags;
        char    hwname[16];
        int i;
        
@@ -1177,13 +1178,16 @@
        self = (struct irda_usb_cb *) netdev->priv;
        IRDA_ASSERT(self != NULL, return -1;);
 
+       spin_lock_irqsave(&self->lock, flags);
        /* Can only open the device if it's there */
        if(!self->present) {
+               spin_unlock_irqrestore(&self->lock, flags);
                IRDA_WARNING("%s(), device not present!\n", __FUNCTION__);
                return -1;
        }
 
        if(self->needspatch) {
+               spin_unlock_irqrestore(&self->lock, flags);
                IRDA_WARNING("%s(), device needs patch\n", __FUNCTION__) ;
                return -EIO ;
        }
@@ -1198,6 +1202,7 @@
        /* To do *before* submitting Rx urbs and starting net Tx queue
         * Jean II */
        self->netopen = 1;
+       spin_unlock_irqrestore(&self->lock, flags);
 
        /* 
         * Now that everything should be initialized properly,

-- 

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