In function jz4740_dma_probe(), the memory allocated by clk_get() is not released on the error path that ret, which holds the return value of dma_async_device_register(), is not NULL. This will result in a memory leak bug. Signed-off-by: Xidong Wang <wangxidong_97@xxxxxxx> --- drivers/dma/dma-jz4740.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/dma/dma-jz4740.c b/drivers/dma/dma-jz4740.c index afd5e10..082c158 100644 --- a/drivers/dma/dma-jz4740.c +++ b/drivers/dma/dma-jz4740.c @@ -570,6 +570,7 @@ static int jz4740_dma_probe(struct platform_device *pdev) dma_async_device_unregister(dd); err_clk: clk_disable_unprepare(dmadev->clk); + clk_put(dmadev->clk); return ret; } -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html