Messages in this thread Patch in this message | | | From | Navid Emamdoost <> | Subject | [PATCH] dmaengine: tegra210-adma: fix pm_runtime_get_sync failure | Date | Wed, 3 Jun 2020 13:41:04 -0500 |
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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.emamdoost@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
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