Lines Matching defs:buffer
162 void *buffer = kmalloc(size, GFP_KERNEL);
164 if (!buffer)
167 *dma_handle = dma_map_single(dmadev, buffer, size, DMA_FROM_DEVICE);
169 kfree(buffer);
173 return buffer;
178 void *buffer,
184 kfree(buffer);
269 PWC_DEBUG_FLOW("Frame buffer underflow (%d bytes); discarded.\n",
472 PWC_ERROR("Failed to allocate urb buffer %d\n", i);
644 /* need vmalloc since frame buffer > 128K */
672 * Application has called dqbuf and is getting back a buffer