diff options
Diffstat (limited to 'drivers/firewire/fw-device-cdev.c')
| -rw-r--r-- | drivers/firewire/fw-device-cdev.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/firewire/fw-device-cdev.c b/drivers/firewire/fw-device-cdev.c index d9f3bb2be1c..54ef27b2adb 100644 --- a/drivers/firewire/fw-device-cdev.c +++ b/drivers/firewire/fw-device-cdev.c @@ -28,6 +28,7 @@ #include <linux/poll.h> #include <linux/delay.h> #include <linux/mm.h> +#include <linux/idr.h> #include <linux/compat.h> #include <asm/uaccess.h> #include "fw-transaction.h" @@ -103,7 +104,9 @@ static int fw_device_op_open(struct inode *inode, struct file *file) struct client *client; unsigned long flags; - device = container_of(inode->i_cdev, struct fw_device, cdev); + device = fw_device_from_devt(inode->i_rdev); + if (device == NULL) + return -ENODEV; client = kzalloc(sizeof *client, GFP_KERNEL); if (client == NULL) |