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

commit fe6653460ee7a7dbe0cd5fd322992af862ce5ab0 upstream.

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

Fixes: e523f11141 ("mtd: spi-nor: add hisilicon spi-nor flash controller driver")
Cc: stable@vger.kernel.org
Signed-off-by: Pan Bian <bianpan2016@163.com>
[ta: Add Fixes tag and Cc stable]
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Link: https://lore.kernel.org/r/20210121091847.85362-1-bianpan2016@163.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Pan Bian 2021-01-21 01:18:47 -08:00 committed by Greg Kroah-Hartman
parent 61dfd4fbbd
commit b2b5c3aec8
1 changed files with 3 additions and 1 deletions
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4
drivers/mtd/spi-nor/hisi-sfc.c
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@ -396,8 +396,10 @@ 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");