remoteproc: qcom: fix reference leak in adsp_start

pm_runtime_get_sync will increment pm usage counter even it
failed. Forgetting to pm_runtime_put_noidle will result in
reference leak in adsp_start, so we should fix it.

Fixes: dc160e4491222 ("remoteproc: qcom: Introduce Non-PAS ADSP PIL driver")
Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Link: https://lore.kernel.org/r/20201102143534.144484-1-zhangqilong3@huawei.com
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

diff --git a/drivers/remoteproc/qcom_q6v5_adsp.c b/drivers/remoteproc/qcom_q6v5_adsp.c
index 9db0380236e795794d92897067ba9e7ea3bcee6c..2f8f38408eb73573278b3d5c2b7045e0731fbd80 100644 (file)
--- a/drivers/remoteproc/qcom_q6v5_adsp.c
+++ b/drivers/remoteproc/qcom_q6v5_adsp.c
@@ -193,8 +193,10 @@ static int adsp_start(struct rproc *rproc)
 
        dev_pm_genpd_set_performance_state(adsp->dev, INT_MAX);
        ret = pm_runtime_get_sync(adsp->dev);
-       if (ret)
+       if (ret) {
+               pm_runtime_put_noidle(adsp->dev);
                goto disable_xo_clk;
+       }
 
        ret = clk_bulk_prepare_enable(adsp->num_clks, adsp->clks);
        if (ret) {