1 files changed, 5 insertions, 2 deletions

diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 101cd31c8220..d5fe43d53c51 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -1010,6 +1010,7 @@ static void omap_hsmmc_dma_cleanup(struct omap_hsmmc_host *host, int errno)
                         host->data->sg_len,
                         omap_hsmmc_get_dma_dir(host, host->data));
                 omap_free_dma(dma_ch);
+                host->data->host_cookie = 0;
         }
         host->data = NULL;
 }
@@ -1575,8 +1576,10 @@ static void omap_hsmmc_post_req(struct mmc_host *mmc, struct mmc_request *mrq,
         struct mmc_data *data = mrq->data;
 
         if (host->use_dma) {
-                dma_unmap_sg(mmc_dev(host->mmc), data->sg, data->sg_len,
-                             omap_hsmmc_get_dma_dir(host, data));
+                if (data->host_cookie)
+                        dma_unmap_sg(mmc_dev(host->mmc), data->sg,
+                                     data->sg_len,
+                                     omap_hsmmc_get_dma_dir(host, data));
                 data->host_cookie = 0;
         }
 }