mtd: rawnand: tango: fix 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>

diff --git a/drivers/mtd/nand/raw/tango_nand.c b/drivers/mtd/nand/raw/tango_nand.c
index c5bee00b7f5e321cb83e35d1056d2c8295eb2aaa..f54518ffb36af43221bc01905a731d3c9e73d968 100644 (file)
--- a/drivers/mtd/nand/raw/tango_nand.c
+++ b/drivers/mtd/nand/raw/tango_nand.c
@@ -591,8 +591,10 @@ static int chip_init(struct device *dev, struct device_node *np)
        tchip->bb_cfg = BB_CFG(mtd->writesize, BBM_SIZE);
 
        err = mtd_device_register(mtd, NULL, 0);
-       if (err)
+       if (err) {
+               nand_cleanup(chip);
                return err;
+       }
 
        nfc->chips[cs] = tchip;