A rather trivial patch. Function qla2x00_schedule_rport_del() can be called on IRQ
context, so it can't unconditionally enable interrupts. Spotted by lockdep.
This patch is against 2.6.27.2, but applies also on 2.6.28-rc7.
Signed-off-by: Vladislav Bolkhovitin <vst@xxxxxxxx>
qla_os.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff -upr linux-2.6.27.2/drivers/scsi/qla2xxx/qla_os.c linux-2.6.27.2/drivers/scsi/qla2xxx/qla_os.c
--- linux-2.6.27.2/drivers/scsi/qla2xxx/qla_os.c 2008-10-21 13:57:15.000000000 +0400
+++ linux-2.6.27.2/drivers/scsi/qla2xxx/qla_os.c 2008-12-05 11:14:21.000000000 +0300
@@ -1862,9 +1885,10 @@ qla2x00_schedule_rport_del(struct scsi_q
rport = fcport->rport;
if (defer) {
- spin_lock_irq(ha->host->host_lock);
+ unsigned long flags;
+ spin_lock_irqsave(ha->host->host_lock, flags);
fcport->drport = rport;
- spin_unlock_irq(ha->host->host_lock);
+ spin_unlock_irqrestore(ha->host->host_lock, flags);
set_bit(FCPORT_UPDATE_NEEDED, &pha->dpc_flags);
qla2xxx_wake_dpc(pha);
} else
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