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path: root/drivers/s390/cio/css.c
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Diffstat (limited to 'drivers/s390/cio/css.c')
-rw-r--r--drivers/s390/cio/css.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index 4eb2a54e64f2..8c2cb87bccc5 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -546,7 +546,9 @@ static int slow_eval_unknown_fn(struct subchannel_id schid, void *data)
case -ENOMEM:
case -EIO:
/* These should abort looping */
+ spin_lock_irq(&slow_subchannel_lock);
idset_sch_del_subseq(slow_subchannel_set, schid);
+ spin_unlock_irq(&slow_subchannel_lock);
break;
default:
rc = 0;