buffer = kmalloc(size, gfp_mask);
if (!buffer) {
- _kfifo_init(fifo, 0, 0);
+ _kfifo_init(fifo, NULL, 0);
return -ENOMEM;
}
void kfifo_free(struct kfifo *fifo)
{
kfree(fifo->buffer);
+ _kfifo_init(fifo, NULL, 0);
}
EXPORT_SYMBOL(kfifo_free);
* @fifo: the fifo to be used.
* @from: pointer to the data to be added.
* @len: the length of the data to be added.
+ * @total: the actual returned data length.
*
* This function copies at most @len bytes from the @from into the
* FIFO depending and returns -EFAULT/0.
* @fifo: the fifo to be used.
* @to: where the data must be copied.
* @len: the size of the destination buffer.
- @ @lenout: pointer to output variable with copied data
+ * @lenout: pointer to output variable with copied data
*
* This function copies at most @len bytes from the FIFO into the
* @to buffer and 0 or -EFAULT.