From d5b2529aa572bb0da814146f6794f49b5e9110be Mon Sep 17 00:00:00 2001 From: Zhang Qilong Date: Mon, 2 Nov 2020 15:28:52 +0100 Subject: [PATCH] media: staging: rkisp1: cap: fix runtime PM imbalance on error [ Upstream commit 4cbbe2aaa0536b0e7b3dfbd7febc3bc2ec300559 ] pm_runtime_get_sync will increment pm usage counter even it failed. Forgetting to pm_runtime_put_noidle will result in reference imbalance in rkisp1_vb2_start_streaming, so we should fix it. Fixes: 56e3b29f9f6b2 ("media: staging: rkisp1: add streaming paths") Signed-off-by: Zhang Qilong Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Sasha Levin --- drivers/staging/media/rkisp1/rkisp1-capture.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/staging/media/rkisp1/rkisp1-capture.c b/drivers/staging/media/rkisp1/rkisp1-capture.c index b6f497c..0c934ca 100644 --- a/drivers/staging/media/rkisp1/rkisp1-capture.c +++ b/drivers/staging/media/rkisp1/rkisp1-capture.c @@ -992,6 +992,7 @@ rkisp1_vb2_start_streaming(struct vb2_queue *queue, unsigned int count) ret = pm_runtime_get_sync(cap->rkisp1->dev); if (ret < 0) { + pm_runtime_put_noidle(cap->rkisp1->dev); dev_err(cap->rkisp1->dev, "power up failed %d\n", ret); goto err_destroy_dummy; } -- 2.7.4