[snip] > +static int brcmnand_dma_trans(struct brcmnand_host *host, u64 addr, u32 *buf, > + u32 len, u8 dma_cmd) > +{ > + struct brcmnand_controller *ctrl = host->ctrl; > + dma_addr_t buf_pa; > + int dir = dma_cmd == CMD_PAGE_READ ? DMA_FROM_DEVICE : DMA_TO_DEVICE; > + > + buf_pa = dma_map_single(ctrl->dev, buf, len, dir); We are missing a dma_mapping_error() check here. -- Florian -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html