[patch 2/13] s390: enable interrupts on error path.
From: Martin Schwidefsky
Date: Mon Apr 24 2006 - 11:02:40 EST
From: Stefan Bader <shbader@xxxxxxxxxx>
[patch 2/13] s390: enable interrupts on error path.
Interrupts can stay disabled if an error occurred in _chp_add().
Use spin_unlock_irq on the error paths to reenable interrupts.
Signed-off-by: Stefan Bader <shbader@xxxxxxxxxx>
Signed-off-by: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
---
drivers/s390/cio/chsc.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff -urpN linux-2.6/drivers/s390/cio/chsc.c linux-2.6-patched/drivers/s390/cio/chsc.c
--- linux-2.6/drivers/s390/cio/chsc.c 2006-04-24 16:47:19.000000000 +0200
+++ linux-2.6-patched/drivers/s390/cio/chsc.c 2006-04-24 16:47:19.000000000 +0200
@@ -635,13 +635,13 @@ __chp_add(struct subchannel_id schid, vo
if (sch->schib.pmcw.chpid[i] == chp->id) {
if (stsch(sch->schid, &sch->schib) != 0) {
/* Endgame. */
- spin_unlock(&sch->lock);
+ spin_unlock_irq(&sch->lock);
return -ENXIO;
}
break;
}
if (i==8) {
- spin_unlock(&sch->lock);
+ spin_unlock_irq(&sch->lock);
return 0;
}
sch->lpm = ((sch->schib.pmcw.pim &
-
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