media: platform: add missing put_device() call in mtk_jpeg_probe() and mtk_jpeg_remove()

if mtk_jpeg_clk_init() succeed, mtk_jpeg_probe() and mtk_jpeg_remove()
doesn't have a corresponding put_device(). Thus add a new helper
mtk_jpeg_clk_release() to fix it.

Fixes: b2f0d2724ba4 ("[media] vcodec: mediatek: Add Mediatek JPEG Decoder Driver")
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

diff --git a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
index 1065433..88a23bc 100644 (file)
--- a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
+++ b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
@@ -1332,6 +1332,12 @@ static void mtk_jpeg_job_timeout_work(struct work_struct *work)
        v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_ERROR);
        v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx);
 }
+
+static inline void mtk_jpeg_clk_release(struct mtk_jpeg_dev *jpeg)
+{
+       put_device(jpeg->larb);
+}
+
 static int mtk_jpeg_probe(struct platform_device *pdev)
 {
        struct mtk_jpeg_dev *jpeg;
@@ -1436,6 +1442,7 @@ err_m2m_init:
        v4l2_device_unregister(&jpeg->v4l2_dev);
 
 err_dev_register:
+       mtk_jpeg_clk_release(jpeg);
 
 err_clk_init:
 
@@ -1453,6 +1460,7 @@ static int mtk_jpeg_remove(struct platform_device *pdev)
        video_device_release(jpeg->vdev);
        v4l2_m2m_release(jpeg->m2m_dev);
        v4l2_device_unregister(&jpeg->v4l2_dev);
+       mtk_jpeg_clk_release(jpeg);
 
        return 0;
 }