[S390] qdio: count number of qdio interrupts

Add missing increment for the qdio interrupt counter.

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

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c
index 88be7b9ea6e1..1fc81268330e 100644
--- a/drivers/s390/cio/qdio_main.c
+++ b/drivers/s390/cio/qdio_main.c
@@ -955,6 +955,9 @@ void qdio_int_handler(struct ccw_device *cdev, unsigned long intparm,
                 return;
         }
 
+        if (irq_ptr->perf_stat_enabled)
+                irq_ptr->perf_stat.qdio_int++;
+
         if (IS_ERR(irb)) {
                 switch (PTR_ERR(irb)) {
                 case -EIO: