From: Michael Grzeschik <m.grzesc...@pengutronix.de>

Signed-off-by: Michael Grzeschik <m.grzesc...@pengutronix.de>
Signed-off-by: Markus Pargmann <m...@pengutronix.de>
---
 common/state/backend_bucket_circular.c | 13 ++++++++++---
 common/state/backend_bucket_direct.c   | 11 +++++++++--
 2 files changed, 19 insertions(+), 5 deletions(-)

diff --git a/common/state/backend_bucket_circular.c 
b/common/state/backend_bucket_circular.c
index 64e9be2e9979..3e48733ba269 100644
--- a/common/state/backend_bucket_circular.c
+++ b/common/state/backend_bucket_circular.c
@@ -216,10 +216,17 @@ static int state_mtd_peb_write(struct 
state_backend_storage_bucket_circular *cir
        }
 
        /*
-        * We keep the fd open, so flush is necessary. We ignore the return
-        * value as flush is currently not supported for mtd under linux.
+        * We keep the fd open, so flush is necessary. We ignore the
+        * errno EINVAL as flush is currently not supported for
+        * mtd under linux.
         */
-       flush(circ->fd);
+       ret = flush(circ->fd);
+       if (ret < 0) {
+               if (errno != EINVAL) {
+                       dev_err(direct->dev, "Failed to flush file, %d\n", 
-errno);
+                       return ret;
+               }
+       }
 
        dev_dbg(circ->dev, "Written state to offset %ld length %zd data length 
%zd\n",
                offset, len, len);
diff --git a/common/state/backend_bucket_direct.c 
b/common/state/backend_bucket_direct.c
index 772267f6dc1d..1f7fb1c8c2e4 100644
--- a/common/state/backend_bucket_direct.c
+++ b/common/state/backend_bucket_direct.c
@@ -183,10 +183,17 @@ static int state_backend_bucket_direct_write(struct 
state_backend_storage_bucket
                return ret;
        }
 
+       /*
+        * We keep the fd open, so flush is necessary. We ignore the
+        * errno EINVAL as flush is currently not supported for
+        * mtd under linux.
+        */
        ret = flush(direct->fd);
        if (ret < 0) {
-               dev_err(direct->dev, "Failed to flush file, %d\n", ret);
-               return ret;
+               if (errno != EINVAL) {
+                       dev_err(direct->dev, "Failed to flush file, %d\n", 
-errno);
+                       return ret;
+               }
        }
 
        return 0;
-- 
2.8.1


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