[S390] qdio: continue polling if the queue is not finished

With commit e401c62adc994c7298660df3739c306c6a0c5b19 polling was
stopped for the queue even if new data is available.

Return immediately after scheduling the queue tasklet if the queue
is not done.

Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c
index 0038750ad945482417626bc80d79363aaf157c88..9aef402a5f1ba11160c5c66f3cc605bcac2c069a 100644 (file)
--- a/drivers/s390/cio/qdio_main.c
+++ b/drivers/s390/cio/qdio_main.c
@@ -798,8 +798,10 @@ static void __tiqdio_inbound_processing(struct qdio_q *q)
 
        if (!qdio_inbound_q_done(q)) {
                qdio_perf_stat_inc(&perf_stats.thinint_inbound_loop);
-               if (likely(q->irq_ptr->state != QDIO_IRQ_STATE_STOPPED))
+               if (likely(q->irq_ptr->state != QDIO_IRQ_STATE_STOPPED)) {
                        tasklet_schedule(&q->tasklet);
+                       return;
+               }
        }
 
        qdio_stop_polling(q);