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authorCornelia Huck <cornelia.huck@de.ibm.com>2006-10-27 12:39:17 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2006-10-27 12:39:17 +0200
commitc2b1449bd1fd73103ed5ff1a28d8f7cbc8a01b52 (patch)
treed3008cd4f9fb674fbf764823bc5e20263c5d3322 /drivers/s390
parent95425f19beed99cb9b0a79f69731eda907d9db99 (diff)
[S390] cio: css_probe_device() must be called enabled.
Move css_probe_device() behind giving up the lock for the old subchannel in css_evaluate_known_subchannel() so we aren't disabled when we call it. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390')
-rw-r--r--drivers/s390/cio/css.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index a2dee5bf5a17..ad7f7e1c0163 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -271,10 +271,6 @@ static int css_evaluate_known_subchannel(struct subchannel *sch, int slow)
/* Reset intparm to zeroes. */
sch->schib.pmcw.intparm = 0;
cio_modify(sch);
-
- /* Probe if necessary. */
- if (action == UNREGISTER_PROBE)
- ret = css_probe_device(sch->schid);
break;
case REPROBE:
device_trigger_reprobe(sch);
@@ -283,6 +279,9 @@ static int css_evaluate_known_subchannel(struct subchannel *sch, int slow)
break;
}
spin_unlock_irqrestore(&sch->lock, flags);
+ /* Probe if necessary. */
+ if (action == UNREGISTER_PROBE)
+ ret = css_probe_device(sch->schid);
return ret;
}