[PATCH] dmaengine: tegra210-adma: fix pm_runtime_get_sync failure

[Navid Emamdoost]

Calling pm_runtime_get_sync increments the counter even in case of
failure, causing incorrect ref count. Call pm_runtime_put if
pm_runtime_get_sync fails.

Signed-off-by: Navid Emamdoost <navid.emamdo...@gmail.com>
---
 drivers/dma/tegra210-adma.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/dma/tegra210-adma.c b/drivers/dma/tegra210-adma.c
index c4ce5dfb149b..e8c749cd3fe8 100644
--- a/drivers/dma/tegra210-adma.c
+++ b/drivers/dma/tegra210-adma.c
@@ -659,6 +659,7 @@ static int tegra_adma_alloc_chan_resources(struct dma_chan 
*dc)
        ret = pm_runtime_get_sync(tdc2dev(tdc));
        if (ret < 0) {
                free_irq(tdc->irq, tdc);
+               pm_runtime_put(tdc2dev(tdc));
                return ret;
        }
 
-- 
2.17.1