mtd: rawnand: brcmnand: fix probe function error path

An error after nand_scan_tail() should trigger a nand_cleanup().
The helper mtd_device_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/brcmnand/brcmnand.c b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
index c28fd2bc1a846d37c24cde3656440fb6255de5bc..1306aaa7a8bfc4e463e226df053897ef107223cb 100644 (file)
--- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c
+++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
@@ -2297,7 +2297,11 @@ static int brcmnand_init_cs(struct brcmnand_host *host, struct device_node *dn)
        if (ret)
                return ret;
 
-       return mtd_device_register(mtd, NULL, 0);
+       ret = mtd_device_register(mtd, NULL, 0);
+       if (ret)
+               nand_cleanup(chip);
+
+       return ret;
 }
 
 static void brcmnand_save_restore_cs_config(struct brcmnand_host *host,