summaryrefslogtreecommitdiffstats
path: root/drivers/char/ppdev.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/char/ppdev.c')
-rw-r--r--drivers/char/ppdev.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/char/ppdev.c b/drivers/char/ppdev.c
index 3aab837d948..7af7a7e6b9c 100644
--- a/drivers/char/ppdev.c
+++ b/drivers/char/ppdev.c
@@ -66,6 +66,7 @@
#include <linux/poll.h>
#include <linux/major.h>
#include <linux/ppdev.h>
+#include <linux/smp_lock.h>
#include <asm/uaccess.h>
#define PP_VERSION "ppdev: user-space parallel port driver"
@@ -638,6 +639,7 @@ static int pp_open (struct inode * inode, struct file * file)
unsigned int minor = iminor(inode);
struct pp_struct *pp;
+ cycle_kernel_lock();
if (minor >= PARPORT_MAX)
return -ENXIO;
@@ -750,8 +752,9 @@ static const struct file_operations pp_fops = {
static void pp_attach(struct parport *port)
{
- device_create(ppdev_class, port->dev, MKDEV(PP_MAJOR, port->number),
- "parport%d", port->number);
+ device_create_drvdata(ppdev_class, port->dev,
+ MKDEV(PP_MAJOR, port->number),
+ NULL, "parport%d", port->number);
}
static void pp_detach(struct parport *port)