Lines Matching refs:read_buffer
195 char *read_buffer;
294 kfree(dev->read_buffer);
547 /* copy the data from read_buffer into userspace */
550 if (copy_to_user(buffer, dev->read_buffer, bytes_to_read)) {
559 dev->read_buffer[i] = dev->read_buffer[i+bytes_to_read];
684 memcpy(dev->read_buffer + dev->read_buffer_length,
692 pr_warn("read_buffer overflow, %d bytes dropped\n",
773 dev->read_buffer = kmalloc(read_buffer_size, GFP_KERNEL);
774 if (!dev->read_buffer)