From: Michael Grzeschik <m.grzeschik@xxxxxxxxxxxxxx>
Signed-off-by: Michael Grzeschik <m.grzeschik@xxxxxxxxxxxxxx>
Signed-off-by: Markus Pargmann <mpa@xxxxxxxxxxxxxx>
---
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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