8 files changed, 22 insertions, 24 deletions

diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index 08a6f50ae791..6aad99ec4e0f 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -323,7 +323,7 @@ config SPECIALIX
 
 config SX
         tristate "Specialix SX (and SI) card support"
-        depends on SERIAL_NONSTANDARD && (PCI || EISA || ISA)
+        depends on SERIAL_NONSTANDARD && (PCI || EISA || ISA) && BROKEN
         help
           This is a driver for the SX and SI multiport serial cards.
           Please read the file <file:Documentation/serial/sx.txt> for details.
@@ -334,7 +334,7 @@ config SX
 
 config RIO
         tristate "Specialix RIO system support"
-        depends on SERIAL_NONSTANDARD
+        depends on SERIAL_NONSTANDARD && BROKEN
         help
           This is a driver for the Specialix RIO, a smart serial card which
           drives an outboard box that can support up to 128 ports.  Product
@@ -395,7 +395,7 @@ config NOZOMI
 
 config A2232
         tristate "Commodore A2232 serial support (EXPERIMENTAL)"
-        depends on EXPERIMENTAL && ZORRO && BROKEN_ON_SMP
+        depends on EXPERIMENTAL && ZORRO && BROKEN
         ---help---
           This option supports the 2232 7-port serial card shipped with the
           Amiga 2000 and other Zorro-bus machines, dating from 1989.  At
diff --git a/drivers/char/genrtc.c b/drivers/char/genrtc.c
index aac0985a572b..31e7c91c2d9d 100644
--- a/drivers/char/genrtc.c
+++ b/drivers/char/genrtc.c
@@ -43,6 +43,7 @@
 #define RTC_VERSION     "1.07"
 
 #include <linux/module.h>
+#include <linux/sched.h>
 #include <linux/errno.h>
 #include <linux/miscdevice.h>
 #include <linux/fcntl.h>
diff --git a/drivers/char/hw_random/virtio-rng.c b/drivers/char/hw_random/virtio-rng.c
index 962968f05b94..915157fcff98 100644
--- a/drivers/char/hw_random/virtio-rng.c
+++ b/drivers/char/hw_random/virtio-rng.c
@@ -21,7 +21,6 @@
 #include <linux/scatterlist.h>
 #include <linux/spinlock.h>
 #include <linux/virtio.h>
-#include <linux/virtio_ids.h>
 #include <linux/virtio_rng.h>
 
 /* The host will fill any buffer we give it with sweet, sweet randomness.  We
@@ -117,7 +116,7 @@ static int virtrng_probe(struct virtio_device *vdev)
         return 0;
 }
 
-static void virtrng_remove(struct virtio_device *vdev)
+static void __devexit virtrng_remove(struct virtio_device *vdev)
 {
         vdev->config->reset(vdev);
         hwrng_unregister(&virtio_hwrng);
diff --git a/drivers/char/rtc.c b/drivers/char/rtc.c
index e0d0f8b2696b..bc4ab3e54550 100644
--- a/drivers/char/rtc.c
+++ b/drivers/char/rtc.c
@@ -74,6 +74,7 @@
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 #include <linux/spinlock.h>
+#include <linux/sched.h>
 #include <linux/sysctl.h>
 #include <linux/wait.h>
 #include <linux/bcd.h>
diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c
index fd3dced97776..8c262aaf7c26 100644
--- a/drivers/char/sonypi.c
+++ b/drivers/char/sonypi.c
@@ -36,6 +36,7 @@
  */
 
 #include <linux/module.h>
+#include <linux/sched.h>
 #include <linux/input.h>
 #include <linux/pci.h>
 #include <linux/init.h>
diff --git a/drivers/char/tty_buffer.c b/drivers/char/tty_buffer.c
index 3108991c5c8b..66fa4e10d76b 100644
--- a/drivers/char/tty_buffer.c
+++ b/drivers/char/tty_buffer.c
@@ -402,28 +402,26 @@ static void flush_to_ldisc(struct work_struct *work)
                 container_of(work, struct tty_struct, buf.work.work);
         unsigned long   flags;
         struct tty_ldisc *disc;
-        struct tty_buffer *tbuf, *head;
-        char *char_buf;
-        unsigned char *flag_buf;
 
         disc = tty_ldisc_ref(tty);
         if (disc == NULL)       /*  !TTY_LDISC */
                 return;
 
         spin_lock_irqsave(&tty->buf.lock, flags);
-        /* So we know a flush is running */
-        set_bit(TTY_FLUSHING, &tty->flags);
-        head = tty->buf.head;
-        if (head != NULL) {
-                tty->buf.head = NULL;
-                for (;;) {
-                        int count = head->commit - head->read;
+
+        if (!test_and_set_bit(TTY_FLUSHING, &tty->flags)) {
+                struct tty_buffer *head;
+                while ((head = tty->buf.head) != NULL) {
+                        int count;
+                        char *char_buf;
+                        unsigned char *flag_buf;
+
+                        count = head->commit - head->read;
                         if (!count) {
                                 if (head->next == NULL)
                                         break;
-                                tbuf = head;
-                                head = head->next;
-                                tty_buffer_free(tty, tbuf);
+                                tty->buf.head = head->next;
+                                tty_buffer_free(tty, head);
                                 continue;
                         }
                         /* Ldisc or user is trying to flush the buffers
@@ -445,9 +443,9 @@ static void flush_to_ldisc(struct work_struct *work)
                                                         flag_buf, count);
                         spin_lock_irqsave(&tty->buf.lock, flags);
                 }
-                /* Restore the queue head */
-                tty->buf.head = head;
+                clear_bit(TTY_FLUSHING, &tty->flags);
         }
+
         /* We may have a deferred request to flush the input buffer,
            if so pull the chain under the lock and empty the queue */
         if (test_bit(TTY_FLUSHPENDING, &tty->flags)) {
@@ -455,7 +453,6 @@ static void flush_to_ldisc(struct work_struct *work)
                 clear_bit(TTY_FLUSHPENDING, &tty->flags);
                 wake_up(&tty->read_wait);
         }
-        clear_bit(TTY_FLUSHING, &tty->flags);
         spin_unlock_irqrestore(&tty->buf.lock, flags);
 
         tty_ldisc_deref(disc);
@@ -471,7 +468,7 @@ static void flush_to_ldisc(struct work_struct *work)
  */
 void tty_flush_to_ldisc(struct tty_struct *tty)
 {
-        flush_to_ldisc(&tty->buf.work.work);
+        flush_delayed_work(&tty->buf.work);
 }
 
 /**
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index 0d328b59568d..a035ae39a359 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -31,7 +31,6 @@
 #include <linux/err.h>
 #include <linux/init.h>
 #include <linux/virtio.h>
-#include <linux/virtio_ids.h>
 #include <linux/virtio_console.h>
 #include "hvc_console.h"
 
diff --git a/drivers/char/vt_ioctl.c b/drivers/char/vt_ioctl.c
index 6b36ee56e6fe..ed86d3bf249a 100644
--- a/drivers/char/vt_ioctl.c
+++ b/drivers/char/vt_ioctl.c
@@ -1532,7 +1532,7 @@ long vt_compat_ioctl(struct tty_struct *tty, struct file * file,
 
         case PIO_UNIMAP:
         case GIO_UNIMAP:
-                ret = do_unimap_ioctl(cmd, up, perm, vc);
+                ret = compat_unimap_ioctl(cmd, up, perm, vc);
                 break;
 
         /*