diff options
| author | Qiushi Wu <wu000273@umn.edu> | 2020-06-14 04:36:59 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2020-09-27 10:53:52 +0200 |
| commit | 88f50a05f907d96a27a9ce3cc9e8cbb91a6f0f22 (patch) | |
| tree | 57b67c2013aceb745c0790163981bd087449097d | |
| parent | 78741ce98c2e36188e2343434406b0e0bc50b0e7 (diff) | |
media: stm32-dcmi: Fix a reference count leak
Calling pm_runtime_get_sync increments the counter even in case of
failure, causing incorrect ref count if pm_runtime_put is not
called in error handling paths. Thus replace the jump target
"err_release_buffers" by "err_pm_putw".
Fixes: 152e0bf60219 ("media: stm32-dcmi: add power saving support")
Signed-off-by: Qiushi Wu <wu000273@umn.edu>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
| -rw-r--r-- | drivers/media/platform/stm32/stm32-dcmi.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/media/platform/stm32/stm32-dcmi.c b/drivers/media/platform/stm32/stm32-dcmi.c index b8931490b83b..fd1c41cba52f 100644 --- a/drivers/media/platform/stm32/stm32-dcmi.c +++ b/drivers/media/platform/stm32/stm32-dcmi.c @@ -733,7 +733,7 @@ static int dcmi_start_streaming(struct vb2_queue *vq, unsigned int count) if (ret < 0) { dev_err(dcmi->dev, "%s: Failed to start streaming, cannot get sync (%d)\n", __func__, ret); - goto err_release_buffers; + goto err_pm_put; } ret = media_pipeline_start(&dcmi->vdev->entity, &dcmi->pipeline); @@ -837,8 +837,6 @@ err_media_pipeline_stop: err_pm_put: pm_runtime_put(dcmi->dev); - -err_release_buffers: spin_lock_irq(&dcmi->irqlock); /* * Return all buffers to vb2 in QUEUED state. |