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

[Takuo Koguchi]

 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...@hitachi.com>
---
 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