typedef struct dgrs_ioctl {
unsigned short cmd; /* Command to run */
unsigned short len; /* Length of the data buffer */
- unsigned char *data; /* Pointer to the data buffer */
+ unsigned char __user *data; /* Pointer to the data buffer */
unsigned short port; /* port number for command, if needed */
unsigned short filter; /* filter number for command, if needed */
} DGRS_IOCTL;