mtd: rawnand: sh_flctl: fix the probe function error path

An error after nand_scan_tail() should trigger a nand_cleanup().
The helper mtd_device_parse_register() returns an error code that should
be checked and nand_cleanup() called accordingly.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/mtd/nand/raw/sh_flctl.c b/drivers/mtd/nand/raw/sh_flctl.c
index 7a740d583866..c7abceffcc40 100644
--- a/drivers/mtd/nand/raw/sh_flctl.c
+++ b/drivers/mtd/nand/raw/sh_flctl.c
@@ -1214,9 +1214,13 @@ static int flctl_probe(struct platform_device *pdev)
                 goto err_chip;
 
         ret = mtd_device_register(flctl_mtd, pdata->parts, pdata->nr_parts);
+        if (ret)
+                goto cleanup_nand;
 
         return 0;
 
+cleanup_nand:
+        nand_cleanup(nand);
 err_chip:
         flctl_release_dma(flctl);
         pm_runtime_disable(&pdev->dev);