net: mscc: ocelot: avoid incorrect consuming in skbs list

[linux.git] / drivers / watchdog / cpwd.c

diff --git a/drivers/watchdog/cpwd.c b/drivers/watchdog/cpwd.c
index 9393be584e723a59156edb89550e9d9229124311..808eeb4779e4dbeb8f94985753d800ec32a15c0b 100644 (file)
--- a/drivers/watchdog/cpwd.c
+++ b/drivers/watchdog/cpwd.c
@@ -26,6 +26,7 @@
 #include <linux/interrupt.h>
 #include <linux/ioport.h>
 #include <linux/timer.h>
+#include <linux/compat.h>
 #include <linux/slab.h>
 #include <linux/mutex.h>
 #include <linux/io.h>
@@ -473,6 +474,11 @@ static long cpwd_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
        return 0;
 }
 
+static long cpwd_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+       return cpwd_ioctl(file, cmd, (unsigned long)compat_ptr(arg));
+}
+
 static ssize_t cpwd_write(struct file *file, const char __user *buf,
                          size_t count, loff_t *ppos)
 {
@@ -497,7 +503,7 @@ static ssize_t cpwd_read(struct file *file, char __user *buffer,
 static const struct file_operations cpwd_fops = {
        .owner =                THIS_MODULE,
        .unlocked_ioctl =       cpwd_ioctl,
-       .compat_ioctl =         compat_ptr_ioctl,
+       .compat_ioctl =         cpwd_compat_ioctl,
        .open =                 cpwd_open,
        .write =                cpwd_write,
        .read =                 cpwd_read,