gpu: host1x: Disable clock on probe failure

Add a missing clk_disable_unprepare() before returning from the driver's
.probe() function on error.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/gpu/host1x/dev.c b/drivers/gpu/host1x/dev.c
index ab402a56284c..80da003d63de 100644
--- a/drivers/gpu/host1x/dev.c
+++ b/drivers/gpu/host1x/dev.c
@@ -154,7 +154,7 @@ static int host1x_probe(struct platform_device *pdev)
         err = host1x_syncpt_init(host);
         if (err) {
                 dev_err(&pdev->dev, "failed to initialize syncpts\n");
-                return err;
+                goto fail_unprepare_disable;
         }
 
         err = host1x_intr_init(host, syncpt_irq);
@@ -175,6 +175,8 @@ fail_deinit_intr:
         host1x_intr_deinit(host);
 fail_deinit_syncpt:
         host1x_syncpt_deinit(host);
+fail_unprepare_disable:
+        clk_disable_unprepare(host->clk);
         return err;
 }