[PATCH] spi: jcore: disable clock when registering spi conroller failed

From: Takuo Koguchi
Date: Thu Dec 07 2017 - 04:34:14 EST


When probe function fails in registering the spi controller, the clock
should remain disabled.

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

Signed-off-by: Takuo Koguchi <takuo.koguchi.sw@xxxxxxxxxxx>
---
Compiled test only, no runtime test done.

drivers/spi/spi-jcore.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/spi/spi-jcore.c b/drivers/spi/spi-jcore.c
index cebfea5..dafed62 100644
--- a/drivers/spi/spi-jcore.c
+++ b/drivers/spi/spi-jcore.c
@@ -198,8 +198,10 @@ static int jcore_spi_probe(struct platform_device *pdev)

/* Register our spi controller */
err = devm_spi_register_master(&pdev->dev, master);
- if (err)
+ if (err) {
+ clk_disable(clk);
goto exit;
+ }

return 0;

--
2.7.4