X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=drivers%2Fsbus%2Fchar%2Fbpp.c;h=c1c091a005759ac40d6d724626b7ec0de397b328;hb=f138e4814a9c28bc44d967a8effdd977ac00fc6e;hp=b87037ec9805502a52cd4655f6d40a96847d3b66;hpb=28a4acb48586dc21d2d14a75a7aab7be78b7c83b;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/sbus/char/bpp.c b/drivers/sbus/char/bpp.c
index b87037ec980..c1c091a0057 100644
--- a/drivers/sbus/char/bpp.c
+++ b/drivers/sbus/char/bpp.c
@@ -19,6 +19,7 @@
 #include <linux/timer.h>
 #include <linux/ioport.h>
 #include <linux/major.h>
+#include <linux/smp_lock.h>
 
 #include <asm/uaccess.h>
 #include <asm/io.h>
@@ -429,6 +430,7 @@ static int bpp_open(struct inode *inode, struct file *f)
       unsigned minor = iminor(inode);
       int ret;
 
+      lock_kernel();
       spin_lock(&bpp_open_lock);
       ret = 0;
       if (minor >= BPP_NO) {
@@ -444,6 +446,7 @@ static int bpp_open(struct inode *inode, struct file *f)
 	      }
       }
       spin_unlock(&bpp_open_lock);
+      unlock_kernel();
 
       return ret;
 }