4 files changed, 12 insertions, 3 deletions

diff --git a/drivers/input/serio/hp_sdc_mlc.c b/drivers/input/serio/hp_sdc_mlc.c
index 6c84f4542cc2..b587e2d576ac 100644
--- a/drivers/input/serio/hp_sdc_mlc.c
+++ b/drivers/input/serio/hp_sdc_mlc.c
@@ -306,6 +306,11 @@ static int __init hp_sdc_mlc_init(void)
 {
         hil_mlc *mlc = &hp_sdc_mlc;
 
+#ifdef __mc68000__
+        if (!MACH_IS_HP300)
+                return -ENODEV;
+#endif
+
         printk(KERN_INFO PREFIX "Registering the System Domain Controller's HIL MLC.\n");
 
         hp_sdc_mlc_priv.emtestmode = 0;
diff --git a/drivers/input/serio/q40kbd.c b/drivers/input/serio/q40kbd.c
index ab28cf5949f2..e36a0901646c 100644
--- a/drivers/input/serio/q40kbd.c
+++ b/drivers/input/serio/q40kbd.c
@@ -154,7 +154,7 @@ static int __init q40kbd_init(void)
         int error;
 
         if (!MACH_IS_Q40)
-                return -EIO;
+                return -ENODEV;
 
         error = platform_driver_register(&q40kbd_driver);
         if (error)
diff --git a/drivers/input/serio/serio_raw.c b/drivers/input/serio/serio_raw.c
index 0403622ae267..c9397c8ee97e 100644
--- a/drivers/input/serio/serio_raw.c
+++ b/drivers/input/serio/serio_raw.c
@@ -10,6 +10,7 @@
  */
 
 #include <linux/slab.h>
+#include <linux/smp_lock.h>
 #include <linux/poll.h>
 #include <linux/module.h>
 #include <linux/serio.h>
@@ -81,9 +82,10 @@ static int serio_raw_open(struct inode *inode, struct file *file)
         struct serio_raw_list *list;
         int retval = 0;
 
+        lock_kernel();
         retval = mutex_lock_interruptible(&serio_raw_mutex);
         if (retval)
-                return retval;
+                goto out_bkl;
 
         if (!(serio_raw = serio_raw_locate(iminor(inode)))) {
                 retval = -ENODEV;
@@ -108,6 +110,8 @@ static int serio_raw_open(struct inode *inode, struct file *file)
 
 out:
         mutex_unlock(&serio_raw_mutex);
+out_bkl:
+        unlock_kernel();
         return retval;
 }
 
diff --git a/drivers/input/serio/serport.c b/drivers/input/serio/serport.c
index 7ff71ba7b7c9..b9694b6445d0 100644
--- a/drivers/input/serio/serport.c
+++ b/drivers/input/serio/serport.c
@@ -216,7 +216,7 @@ static void serport_ldisc_write_wakeup(struct tty_struct * tty)
  * The line discipline structure.
  */
 
-static struct tty_ldisc serport_ldisc = {
+static struct tty_ldisc_ops serport_ldisc = {
         .owner =        THIS_MODULE,
         .name =         "input",
         .open =         serport_ldisc_open,