nfi_write32(snf, NFI_CON, (snf->nfi_cfg.nsectors << CON_SEC_NUM_S));
buf_dma = dma_map_single(snf->dev, buf, dma_len, DMA_FROM_DEVICE);
- if (dma_mapping_error(snf->dev, buf_dma)) {
+ ret = dma_mapping_error(snf->dev, buf_dma);
+ if (ret) {
dev_err(snf->dev, "DMA mapping failed.\n");
goto cleanup;
}
nfi_write32(snf, NFI_CON, (snf->nfi_cfg.nsectors << CON_SEC_NUM_S));
buf_dma = dma_map_single(snf->dev, snf->buf, dma_len, DMA_TO_DEVICE);
- if (dma_mapping_error(snf->dev, buf_dma)) {
+ ret = dma_mapping_error(snf->dev, buf_dma);
+ if (ret) {
dev_err(snf->dev, "DMA mapping failed.\n");
goto cleanup;
}