fixup! sw:drv: fix bug in computing segments

67d436d5 · Federico Vaga · ea51ad5e · 67d436d5
Commit 67d436d5 authored Jul 02, 2020 by Federico Vaga
Hide whitespace changes
Inline Side-by-side

Showing with 7 additions and 4 deletions

spec-core-fpga.c software/kernel/spec-core-fpga.c +7 -4

No files found.
--- a/software/kernel/spec-core-fpga.c
+++ b/software/kernel/spec-core-fpga.c
@@ -175,10 +175,13 @@ static int spec_fpga_dbg_dma_transfer(struct spec_fpga_dbg_dma *dbgdma,
 	for_each_sg(sgt.sgl, sg, sgt.nents, i) {
 		sg_dma_address(sg) = dbgdma->datadma + (i * max_segment);
-		if (sg_is_last(sg))
+		sg_dma_len(sg) = max_segment;
-			sg_dma_len(sg) = count % max_segment;
+		if (sg_is_last(sg)) {
-		else
+			size_t len = count % max_segment;
-			sg_dma_len(sg) = max_segment;
+			if (len)
+				sg_dma_len(sg) = len;
+		}
 	}
 	memset(&sconfig, 0, sizeof(sconfig));