forked from luck/tmp_suning_uos_patched
[PATCH] USB: usb/digi_acceleport: correct wait-queue state
First patch incorrectly changed state of the wait-queue usage to TASK_UNINTERRUPTIBLE. Reverted to TASK_INTERRUPTIBLE. Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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@ -568,6 +568,9 @@ static struct usb_serial_device_type digi_acceleport_4_device = {
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* and the sleep. In other words, spin_unlock_irqrestore and
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* interruptible_sleep_on_timeout are "atomic" with respect to
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* wake ups. This is used to implement condition variables.
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*
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* interruptible_sleep_on_timeout is deprecated and has been replaced
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* with the equivalent code.
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*/
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static inline long cond_wait_interruptible_timeout_irqrestore(
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@ -576,13 +579,12 @@ static inline long cond_wait_interruptible_timeout_irqrestore(
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{
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DEFINE_WAIT(wait);
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prepare_to_wait(q, &wait, TASK_UNINTERRUPTIBLE);
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prepare_to_wait(q, &wait, TASK_INTERRUPTIBLE);
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spin_unlock_irqrestore(lock, flags);
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timeout = schedule_timeout(timeout);
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finish_wait(q, &wait);
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return timeout;
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}
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@ -1596,7 +1598,7 @@ dbg( "digi_close: TOP: port=%d, open_count=%d", priv->dp_port_num, port->open_co
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dbg( "digi_close: write oob failed, ret=%d", ret );
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/* wait for final commands on oob port to complete */
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prepare_to_wait(&priv->dp_flush_wait, &wait, TASK_UNINTERRUPTIBLE);
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prepare_to_wait(&priv->dp_flush_wait, &wait, TASK_INTERRUPTIBLE);
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schedule_timeout(DIGI_CLOSE_TIMEOUT);
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finish_wait(&priv->dp_flush_wait, &wait);
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@ -1995,7 +1997,7 @@ opcode, line, status, val );
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} else if( opcode == DIGI_CMD_IFLUSH_FIFO ) {
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wake_up( &priv->dp_flush_wait );
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wake_up_interruptible( &priv->dp_flush_wait );
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}
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