lkml.org 
[lkml]   [2020]   [May]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] media: fimc-capture: Fix runtime PM imbalance on error
Date
pm_runtime_get_sync() increments the runtime PM usage counter even
when it returns an error code. Thus a pairing decrement is needed on
the error handling path to keep the counter balanced.

Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
---
drivers/media/platform/exynos4-is/fimc-capture.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/media/platform/exynos4-is/fimc-capture.c b/drivers/media/platform/exynos4-is/fimc-capture.c
index 705f182330ca..dd33b888971f 100644
--- a/drivers/media/platform/exynos4-is/fimc-capture.c
+++ b/drivers/media/platform/exynos4-is/fimc-capture.c
@@ -478,8 +478,10 @@ static int fimc_capture_open(struct file *file)

set_bit(ST_CAPT_BUSY, &fimc->state);
ret = pm_runtime_get_sync(&fimc->pdev->dev);
- if (ret < 0)
+ if (ret < 0) {
+ pm_runtime_put_sync(&fimc->pdev->dev);
goto unlock;
+ }

ret = v4l2_fh_open(file);
if (ret) {
--
2.17.1
\
 
 \ /
  Last update: 2020-05-21 12:26    [W:0.044 / U:0.188 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site