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Subject[PATCH v2] mtd: nxp-spifi: release flash_np in nxp_spifi_probe()
Date
nxp_spifi_probe() increments refcnt of SPI flash device node by
of_get_next_available_child() and leaves it undecremented on both
successful and error paths.

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

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
---
drivers/mtd/spi-nor/nxp-spifi.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/mtd/spi-nor/nxp-spifi.c b/drivers/mtd/spi-nor/nxp-spifi.c
index 15374216d4d9..7b047951d0a2 100644
--- a/drivers/mtd/spi-nor/nxp-spifi.c
+++ b/drivers/mtd/spi-nor/nxp-spifi.c
@@ -438,11 +438,15 @@ static int nxp_spifi_probe(struct platform_device *pdev)
ret = nxp_spifi_setup_flash(spifi, flash_np);
if (ret) {
dev_err(&pdev->dev, "unable to setup flash chip\n");
- goto dis_clks;
+ goto put_np;
}

+ of_node_put(flash_np);
+
return 0;

+put_np:
+ of_node_put(flash_np);
dis_clks:
clk_disable_unprepare(spifi->clk_spifi);
dis_clk_reg:
--
2.7.4
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