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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-11-17 06:26:00 +0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-11-17 06:26:00 +0400
commit1e619a1bf9ac878e6a984e4e279ccf712a65bc23 (patch)
tree1d5cfb16f88e36dca2f57386dd4a585a63f15287 /drivers/s390/char
parent68a81291ff6650f3ff409ebfc58ef97dfe85a2e4 (diff)
parentf4a75d2eb7b1e2206094b901be09adb31ba63681 (diff)
downloadlinux-1e619a1bf9ac878e6a984e4e279ccf712a65bc23.tar.xz
Merge 3.7-rc6 into tty-next
Diffstat (limited to 'drivers/s390/char')
-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 8fb014f32e4c..40084501c31b 100644
--- a/drivers/s390/char/con3215.c
+++ b/drivers/s390/char/con3215.c
@@ -44,7 +44,6 @@
#define RAW3215_NR_CCWS 3
#define RAW3215_TIMEOUT HZ/10 /* time for delayed output */
-#define RAW3215_FIXED 1 /* 3215 console device is not be freed */
#define RAW3215_WORKING 4 /* set if a request is being worked on */
#define RAW3215_THROTTLED 8 /* set if reading is disabled */
#define RAW3215_STOPPED 16 /* set if writing is disabled */
@@ -339,8 +338,10 @@ static void raw3215_wakeup(unsigned long data)
struct tty_struct *tty;
tty = tty_port_tty_get(&raw->port);
- tty_wakeup(tty);
- tty_kref_put(tty);
+ if (tty) {
+ tty_wakeup(tty);
+ tty_kref_put(tty);
+ }
}
/*
@@ -629,8 +630,7 @@ static void raw3215_shutdown(struct raw3215_info *raw)
DECLARE_WAITQUEUE(wait, current);
unsigned long flags;
- if (!(raw->port.flags & ASYNC_INITIALIZED) ||
- (raw->flags & RAW3215_FIXED))
+ if (!(raw->port.flags & ASYNC_INITIALIZED))
return;
/* Wait for outstanding requests, then free irq */
spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags);
@@ -927,8 +927,6 @@ static int __init con3215_init(void)
dev_set_drvdata(&cdev->dev, raw);
cdev->handler = raw3215_irq;
- raw->flags |= RAW3215_FIXED;
-
/* Request the console irq */
if (raw3215_startup(raw) != 0) {
raw3215_free_info(raw);