[PATCH] spi: gpio: prevent memroy leak in spi_gpio_probe

[Navid Emamdoost]

In spi_gpio_probe an SPI master is allocated via spi_alloc_master, but
this controller should be released if devm_add_action_or_reset fails,
otherwise memory leaks. This commit adds Fixes: spi_contriller_put in
case of failure for devm_add_action_or_reset.

Fixes: 8b797490b4db ("spi: gpio: Make sure spi_master_put() is called in every 
error path")
Signed-off-by: Navid Emamdoost <navid.emamdo...@gmail.com>
---
 drivers/spi/spi-gpio.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/spi/spi-gpio.c b/drivers/spi/spi-gpio.c
index 1d3e23ec20a6..f9c5bbb74714 100644
--- a/drivers/spi/spi-gpio.c
+++ b/drivers/spi/spi-gpio.c
@@ -371,8 +371,10 @@ static int spi_gpio_probe(struct platform_device *pdev)
                return -ENOMEM;
 
        status = devm_add_action_or_reset(&pdev->dev, spi_gpio_put, master);
-       if (status)
+       if (status) {
+               spi_master_put(master);
                return status;
+       }
 
        if (of_id)
                status = spi_gpio_probe_dt(pdev, master);
-- 
2.17.1