mtd: plat_ram: call mtd_device_register only if partition data exists

[firefly-linux-kernel-4.4.55.git] / drivers / mtd / maps / plat-ram.c

diff --git a/drivers/mtd/maps/plat-ram.c b/drivers/mtd/maps/plat-ram.c
index 94f553489725280d2ec851023f17745e86c48d9a..45876d0e5b8e500b321466fad5789d7a9bfbe182 100644 (file)
--- 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;