unisys: use kthread_should_stop in the thread

convert the users of should_stop variable into kthread_should_stop() API.

Cc: Ken Cox <jkc@redhat.com>
Cc: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/unisys/virthba/virthba.c b/drivers/staging/unisys/virthba/virthba.c
index e7af285..ca89e76 100644 (file)
--- a/drivers/staging/unisys/virthba/virthba.c
+++ b/drivers/staging/unisys/virthba/virthba.c
@@ -1339,6 +1339,8 @@ process_incoming_rsps(void *v)
        }
        mask = ULTRA_CHANNEL_ENABLE_INTS;
        while (1) {
+               if (kthread_should_stop())
+                       break;
                wait_event_interruptible_timeout(virthbainfo->rsp_queue,
                         (atomic_read(&virthbainfo->interrupt_rcvd) == 1),
                                      usecs_to_jiffies(rsltq_wait_usecs));
@@ -1346,8 +1348,6 @@ process_incoming_rsps(void *v)
                /* drain queue */
                drain_queue(virthbainfo, dc, cmdrsp);
                rc1 = uisqueue_interlocked_or(virthbainfo->flags_addr, mask);
-               if (dc->threadinfo.should_stop)
-                       break;
        }
 
        kfree(cmdrsp);