[PATCH] mtd: nand: vf610: fix error handling in vf610_nfc_probe()

From: Alexey Khoroshilov
Date: Fri Dec 22 2017 - 16:43:37 EST


vf610_nfc_probe() misses error handling of mtd_device_register().

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@xxxxxxxxx>
---
drivers/mtd/nand/vf610_nfc.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/vf610_nfc.c b/drivers/mtd/nand/vf610_nfc.c
index 8037d4b48a05..a4c181af74b3 100644
--- a/drivers/mtd/nand/vf610_nfc.c
+++ b/drivers/mtd/nand/vf610_nfc.c
@@ -782,7 +782,10 @@ static int vf610_nfc_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, mtd);

/* Register device in MTD */
- return mtd_device_register(mtd, NULL, 0);
+ err = mtd_device_register(mtd, NULL, 0);
+ if (err)
+ goto error;
+ return 0;

error:
of_node_put(nand_get_flash_node(chip));
--
2.7.4