mtd: plat_ram: call mtd_device_register only if partition data exists

mtd_device_parse_register() registers the device as a whole if no
partition data is passed so there is no reason to call
mtd_device_register() after that.

Signed-off-by: Ilya Yanok <yanok@emcraft.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

1 files changed, 8 insertions, 4 deletions

diff --git a/drivers/mtd/maps/plat-ram.c b/drivers/mtd/maps/plat-ram.c
index 94f553489725..45876d0e5b8e 100644
--- a/drivers/mtd/maps/plat-ram.c
+++ b/drivers/mtd/maps/plat-ram.c
@@ -227,10 +227,14 @@ static int platram_probe(struct platform_device *pdev)
         if (!err)
                 dev_info(&pdev->dev, "registered mtd device\n");
 
-        /* add the whole device. */
-        err = mtd_device_register(info->mtd, NULL, 0);
-        if (err)
-                dev_err(&pdev->dev, "failed to register the entire device\n");
+        if (pdata->nr_partitions) {
+                /* add the whole device. */
+                err = mtd_device_register(info->mtd, NULL, 0);
+                if (err) {
+                        dev_err(&pdev->dev,
+                                "failed to register the entire device\n");
+                }
+        }
 
         return err;