[S390] cio: subchannels in no-path state.

Subchannel may incorrectly remain in state no-path after channel paths
have reappeared. Currently the scan for subchannels which are using a
channel path ends at the first occurrence if a full link address was
provided by the channel subsystem. The scan needs to continue over
all subchannels.

Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c
index c28444af0919..9f9134b67e40 100644
--- a/drivers/s390/cio/chsc.c
+++ b/drivers/s390/cio/chsc.c
@@ -378,6 +378,7 @@ __s390_process_res_acc(struct subchannel_id schid, void *data)
 
         if (chp_mask == 0) {
                 spin_unlock_irq(&sch->lock);
+                put_device(&sch->dev);
                 return 0;
         }
         old_lpm = sch->lpm;
@@ -392,7 +393,7 @@ __s390_process_res_acc(struct subchannel_id schid, void *data)
 
         spin_unlock_irq(&sch->lock);
         put_device(&sch->dev);
-        return (res_data->fla_mask == 0xffff) ? -ENODEV : 0;
+        return 0;
 }