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path: root/drivers/s390/char/con3215.c
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Diffstat (limited to 'drivers/s390/char/con3215.c')
-rw-r--r--drivers/s390/char/con3215.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c
index 9ffb6d5f17aa..4ed343e4eb41 100644
--- a/drivers/s390/char/con3215.c
+++ b/drivers/s390/char/con3215.c
@@ -44,7 +44,6 @@
44#define RAW3215_NR_CCWS 3 44#define RAW3215_NR_CCWS 3
45#define RAW3215_TIMEOUT HZ/10 /* time for delayed output */ 45#define RAW3215_TIMEOUT HZ/10 /* time for delayed output */
46 46
47#define RAW3215_FIXED 1 /* 3215 console device is not be freed */
48#define RAW3215_WORKING 4 /* set if a request is being worked on */ 47#define RAW3215_WORKING 4 /* set if a request is being worked on */
49#define RAW3215_THROTTLED 8 /* set if reading is disabled */ 48#define RAW3215_THROTTLED 8 /* set if reading is disabled */
50#define RAW3215_STOPPED 16 /* set if writing is disabled */ 49#define RAW3215_STOPPED 16 /* set if writing is disabled */
@@ -339,8 +338,10 @@ static void raw3215_wakeup(unsigned long data)
339 struct tty_struct *tty; 338 struct tty_struct *tty;
340 339
341 tty = tty_port_tty_get(&raw->port); 340 tty = tty_port_tty_get(&raw->port);
342 tty_wakeup(tty); 341 if (tty) {
343 tty_kref_put(tty); 342 tty_wakeup(tty);
343 tty_kref_put(tty);
344 }
344} 345}
345 346
346/* 347/*
@@ -629,8 +630,7 @@ static void raw3215_shutdown(struct raw3215_info *raw)
629 DECLARE_WAITQUEUE(wait, current); 630 DECLARE_WAITQUEUE(wait, current);
630 unsigned long flags; 631 unsigned long flags;
631 632
632 if (!(raw->port.flags & ASYNC_INITIALIZED) || 633 if (!(raw->port.flags & ASYNC_INITIALIZED))
633 (raw->flags & RAW3215_FIXED))
634 return; 634 return;
635 /* Wait for outstanding requests, then free irq */ 635 /* Wait for outstanding requests, then free irq */
636 spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags); 636 spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags);
@@ -926,8 +926,6 @@ static int __init con3215_init(void)
926 dev_set_drvdata(&cdev->dev, raw); 926 dev_set_drvdata(&cdev->dev, raw);
927 cdev->handler = raw3215_irq; 927 cdev->handler = raw3215_irq;
928 928
929 raw->flags |= RAW3215_FIXED;
930
931 /* Request the console irq */ 929 /* Request the console irq */
932 if (raw3215_startup(raw) != 0) { 930 if (raw3215_startup(raw) != 0) {
933 raw3215_free_info(raw); 931 raw3215_free_info(raw);