Merge branch 'v28-range-hrtimers-for-linus-v2' of git://git.kernel.org/pub/scm/linux...

[linux-2.6-omap-h63xx.git] / drivers / misc / sony-laptop.c

diff --git a/drivers/misc/sony-laptop.c b/drivers/misc/sony-laptop.c
index 00e48e2a9c11229da5576897d566fead0ac2a8f4..5a97d3a9d745ee3ab5d17e5e1b86bce5a9fae132 100644 (file)
--- a/drivers/misc/sony-laptop.c
+++ b/drivers/misc/sony-laptop.c
@@ -46,6 +46,7 @@
 #include <linux/module.h>
 #include <linux/moduleparam.h>
 #include <linux/init.h>
+#include <linux/smp_lock.h>
 #include <linux/types.h>
 #include <linux/backlight.h>
 #include <linux/platform_device.h>
@@ -969,7 +970,7 @@ static int sony_nc_resume(struct acpi_device *device)
        /* set the last requested brightness level */
        if (sony_backlight_device &&
                        !sony_backlight_update_status(sony_backlight_device))
-               printk(KERN_WARNING DRV_PFX "unable to restore brightness level");
+               printk(KERN_WARNING DRV_PFX "unable to restore brightness level\n");
 
        /* re-initialize models with specific requirements */
        dmi_check_system(sony_nc_ids);
@@ -1927,8 +1928,10 @@ static int sonypi_misc_release(struct inode *inode, struct file *file)
 static int sonypi_misc_open(struct inode *inode, struct file *file)
 {
        /* Flush input queue on first open */
+       lock_kernel();
        if (atomic_inc_return(&sonypi_compat.open_count) == 1)
                kfifo_reset(sonypi_compat.fifo);
+       unlock_kernel();
        return 0;
 }