1 files changed, 7 insertions, 1 deletions

diff --git a/drivers/mtd/nand/sh_flctl.c b/drivers/mtd/nand/sh_flctl.c
index 6fa3bcd59769..442ce619b3b6 100644
--- a/drivers/mtd/nand/sh_flctl.c
+++ b/drivers/mtd/nand/sh_flctl.c
@@ -397,7 +397,7 @@ static int flctl_dma_fifo0_transfer(struct sh_flctl *flctl, unsigned long *buf,
         struct dma_chan *chan;
         enum dma_transfer_direction tr_dir;
         dma_addr_t dma_addr;
-        dma_cookie_t cookie = -EINVAL;
+        dma_cookie_t cookie;
         uint32_t reg;
         int ret;
 
@@ -423,6 +423,12 @@ static int flctl_dma_fifo0_transfer(struct sh_flctl *flctl, unsigned long *buf,
                 desc->callback = flctl_dma_complete;
                 desc->callback_param = flctl;
                 cookie = dmaengine_submit(desc);
+                if (dma_submit_error(cookie)) {
+                        ret = dma_submit_error(cookie);
+                        dev_warn(&flctl->pdev->dev,
+                                 "DMA submit failed, falling back to PIO\n");
+                        goto out;
+                }
 
                 dma_async_issue_pending(chan);
         } else {