[PATCH] mtd: spi-nor: hisi-sfc: Put child node np on error path

[Pan Bian]

Put the child node np when it fails to get or register device.

Signed-off-by: Pan Bian <bianpan2...@163.com>
---
 drivers/mtd/spi-nor/controllers/hisi-sfc.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/mtd/spi-nor/controllers/hisi-sfc.c 
b/drivers/mtd/spi-nor/controllers/hisi-sfc.c
index 7c26f8f565cb..47fbf1d1e557 100644
--- a/drivers/mtd/spi-nor/controllers/hisi-sfc.c
+++ b/drivers/mtd/spi-nor/controllers/hisi-sfc.c
@@ -399,8 +399,10 @@ static int hisi_spi_nor_register_all(struct hifmc_host 
*host)
 
        for_each_available_child_of_node(dev->of_node, np) {
                ret = hisi_spi_nor_register(np, host);
-               if (ret)
+               if (ret) {
+                       of_node_put(np);
                        goto fail;
+               }
 
                if (host->num_chip == HIFMC_MAX_CHIP_NUM) {
                        dev_warn(dev, "Flash device number exceeds the maximum 
chipselect number\n");
-- 
2.17.1