static ssize_t
spidev_sync(struct spidev_data *spidev, struct spi_message *message)
{
- DECLARE_COMPLETION_ONSTACK(done);
int status;
struct spi_device *spi;
spidev_get_ioc_message(unsigned int cmd, struct spi_ioc_transfer __user *u_ioc,
unsigned *n_ioc)
{
- struct spi_ioc_transfer *ioc;
u32 tmp;
/* Check type, command number and direction */
return NULL;
/* copy into scratch area */
- ioc = kmalloc(tmp, GFP_KERNEL);
- if (!ioc)
- return ERR_PTR(-ENOMEM);
- if (__copy_from_user(ioc, u_ioc, tmp)) {
- kfree(ioc);
- return ERR_PTR(-EFAULT);
- }
- return ioc;
+ return memdup_user(u_ioc, tmp);
}
static long