[14/52] mtd: rawnand: fsl_ifc: fix probe function error path

Commit Message

Miquel Raynal March 2, 2018, 5:03 p.m. UTC

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

Signed-off-by: Miquel Raynal <[e-mail]>
---
 drivers/mtd/nand/raw/fsl_ifc_nand.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

Patch

diff --git a/drivers/mtd/nand/raw/fsl_ifc_nand.c b/drivers/mtd/nand/raw/fsl_ifc_nand.c
index 7bcd95ff38c9..f9c042d69b1c 100644
--- a/drivers/mtd/nand/raw/fsl_ifc_nand.c
+++ b/drivers/mtd/nand/raw/fsl_ifc_nand.c
@@ -1065,12 +1065,16 @@  static int fsl_ifc_nand_probe(struct platform_device *dev)
 
 	/* First look for RedBoot table or partitions on the command
 	 * line, these take precedence over device tree information */
-	mtd_device_parse_register(mtd, part_probe_types, NULL, NULL, 0);
+	ret = mtd_device_parse_register(mtd, part_probe_types, NULL, NULL, 0);
+	if (ret)
+		goto release_nand;
 
 	dev_info(priv->dev, "IFC NAND device at 0x%llx, bank %d\n",
 		 (unsigned long long)res.start, priv->bank);
 	return 0;
 
+release_nand:
+	nand_release(mtd);
 err:
 	fsl_ifc_chip_remove(priv);
 	return ret;