[PATCH v2 10/22] mtd: rawnand: ams-delta: Check mtd_device_register() return code

[Boris Brezillon <boris.brezillon@xxxxxxxxxxx>]

mtd_device_register() can fail, and when it does we should propagate
the error and cleanup what has been done before.

Signed-off-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxx>
---
Changes in v2:
- None
---
 drivers/mtd/nand/raw/ams-delta.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/raw/ams-delta.c b/drivers/mtd/nand/raw/ams-delta.c
index 2f49be4077df..ccdd114495bc 100644
--- a/drivers/mtd/nand/raw/ams-delta.c
+++ b/drivers/mtd/nand/raw/ams-delta.c
@@ -281,10 +281,16 @@ static int ams_delta_init(struct platform_device *pdev)
 		goto err_unmap;
 
 	/* Register the partitions */
-	mtd_device_register(mtd, partition_info, ARRAY_SIZE(partition_info));
+	err = mtd_device_register(mtd, partition_info,
+				  ARRAY_SIZE(partition_info));
+	if (err)
+		goto err_nand_cleanup;
 
 	return 0;
 
+err_nand_cleanup:
+	nand_cleanup(this);
+
 err_unmap:
 	iounmap(io_base);
 
-- 
2.17.1


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