Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfashe...

[pandora-kernel.git] / arch / m68k / bvme6000 / rtc.c

diff --git a/arch/m68k/bvme6000/rtc.c b/arch/m68k/bvme6000/rtc.c
index 15c16b6..e8ac3f7 100644 (file)
--- a/arch/m68k/bvme6000/rtc.c
+++ b/arch/m68k/bvme6000/rtc.c
@@ -10,6 +10,7 @@
 #include <linux/errno.h>
 #include <linux/miscdevice.h>
 #include <linux/slab.h>
+#include <linux/smp_lock.h>
 #include <linux/ioport.h>
 #include <linux/capability.h>
 #include <linux/fcntl.h>
@@ -140,10 +141,14 @@ static int rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
 
 static int rtc_open(struct inode *inode, struct file *file)
 {
-       if(rtc_status)
+       lock_kernel();
+       if(rtc_status) {
+               unlock_kernel();
                return -EBUSY;
+       }
 
        rtc_status = 1;
+       unlock_kernel();
        return 0;
 }
 
@@ -159,7 +164,7 @@ static int rtc_release(struct inode *inode, struct file *file)
  *     The various file operations we support.
  */
 
-static struct file_operations rtc_fops = {
+static const struct file_operations rtc_fops = {
        .ioctl =        rtc_ioctl,
        .open =         rtc_open,
        .release =      rtc_release,