dmaengine: at_xdmac: fix false condition for memset_sg transfers

The code was not in agreement with the comments.

Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Cc: stable@vger.kernel.org # 4.3 and later
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c
index d09277f7dd1a021e29713a0ffbd00c11993ef45e..c344f89a77e84e722864113d5b516361c047dd6e 100644 (file)
--- a/drivers/dma/at_xdmac.c
+++ b/drivers/dma/at_xdmac.c
@@ -1333,7 +1333,7 @@ at_xdmac_prep_dma_memset_sg(struct dma_chan *chan, struct scatterlist *sgl,
                 * since we don't care about the stride anymore.
                 */
                if ((i == (sg_len - 1)) &&
-                   sg_dma_len(ppsg) == sg_dma_len(psg)) {
+                   sg_dma_len(psg) == sg_dma_len(sg)) {
                        dev_dbg(chan2dev(chan),
                                "%s: desc 0x%p can be merged with desc 0x%p\n",
                                __func__, desc, pdesc);