diff options
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spidev.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c index 603428213d21..d9fd86211365 100644 --- a/drivers/spi/spidev.c +++ b/drivers/spi/spidev.c @@ -30,6 +30,7 @@ #include <linux/errno.h> #include <linux/mutex.h> #include <linux/slab.h> +#include <linux/compat.h> #include <linux/spi/spi.h> #include <linux/spi/spidev.h> @@ -471,6 +472,16 @@ spidev_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) return retval; } +#ifdef CONFIG_COMPAT +static long +spidev_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) +{ + return spidev_ioctl(filp, cmd, (unsigned long)compat_ptr(arg)); +} +#else +#define spidev_compat_ioctl NULL +#endif /* CONFIG_COMPAT */ + static int spidev_open(struct inode *inode, struct file *filp) { struct spidev_data *spidev; @@ -543,6 +554,7 @@ static const struct file_operations spidev_fops = { .write = spidev_write, .read = spidev_read, .unlocked_ioctl = spidev_ioctl, + .compat_ioctl = spidev_compat_ioctl, .open = spidev_open, .release = spidev_release, .llseek = no_llseek, |