[SCSI] qla2xxx: use kthread_ API

Use the kthread_ API instead of opencoding lots of hairy code for kernel
thread creation and teardown.

Also switch from semaphore-based thread wakeup to wake_up_process.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-By: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 2 insertions, 5 deletions

diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index 42aa7a7c1a73..c15458c2bf32 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -838,9 +838,7 @@ qla2x00_status_entry(scsi_qla_host_t *ha, void *pkt)
                 qla_printk(KERN_WARNING, ha, "Status Entry invalid handle.\n");
 
                 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
-                if (ha->dpc_wait && !ha->dpc_active)
-                        up(ha->dpc_wait);
-
+                qla2xxx_wake_dpc(ha);
                 return;
         }
         cp = sp->cmd;
@@ -1271,8 +1269,7 @@ qla2x00_error_entry(scsi_qla_host_t *ha, sts_entry_t *pkt)
                     "Error entry - invalid handle\n");
 
                 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
-                if (ha->dpc_wait && !ha->dpc_active)
-                        up(ha->dpc_wait);
+                qla2xxx_wake_dpc(ha);
         }
 }