On 6/14/20 5:05 AM, Aditya Pakki wrote:
> On calling pm_runtime_get_sync() the reference count of the device
> is incremented. In case of failure, decrement the
> reference count before returning the error.
>
> Signed-off-by: Aditya Pakki <pakki001@xxxxxxx>
Applied to drm-misc-next tree, thanks.
Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics
> ---
> drivers/video/fbdev/omap2/omapfb/dss/dispc.c | 7 +++++--
> drivers/video/fbdev/omap2/omapfb/dss/dsi.c | 7 +++++--
> drivers/video/fbdev/omap2/omapfb/dss/dss.c | 7 +++++--
> drivers/video/fbdev/omap2/omapfb/dss/hdmi4.c | 5 +++--
> drivers/video/fbdev/omap2/omapfb/dss/hdmi5.c | 5 +++--
> drivers/video/fbdev/omap2/omapfb/dss/venc.c | 7 +++++--
> 6 files changed, 26 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/video/fbdev/omap2/omapfb/dss/dispc.c b/drivers/video/fbdev/omap2/omapfb/dss/dispc.c
> index 4a16798b2ecd..e2b572761bf6 100644
> --- a/drivers/video/fbdev/omap2/omapfb/dss/dispc.c
> +++ b/drivers/video/fbdev/omap2/omapfb/dss/dispc.c
> @@ -520,8 +520,11 @@ int dispc_runtime_get(void)
> DSSDBG("dispc_runtime_get\n");
>
> r = pm_runtime_get_sync(&dispc.pdev->dev);
> - WARN_ON(r < 0);
> - return r < 0 ? r : 0;
> + if (WARN_ON(r < 0)) {
> + pm_runtime_put_sync(&dispc.pdev->dev);
> + return r;
> + }
> + return 0;
> }
> EXPORT_SYMBOL(dispc_runtime_get);
>
> diff --git a/drivers/video/fbdev/omap2/omapfb/dss/dsi.c b/drivers/video/fbdev/omap2/omapfb/dss/dsi.c
> index d620376216e1..6f9c25fec994 100644
> --- a/drivers/video/fbdev/omap2/omapfb/dss/dsi.c
> +++ b/drivers/video/fbdev/omap2/omapfb/dss/dsi.c
> @@ -1137,8 +1137,11 @@ static int dsi_runtime_get(struct platform_device *dsidev)
> DSSDBG("dsi_runtime_get\n");
>
> r = pm_runtime_get_sync(&dsi->pdev->dev);
> - WARN_ON(r < 0);
> - return r < 0 ? r : 0;
> + if (WARN_ON(r < 0)) {
> + pm_runtime_put_sync(&dsi->pdev->dev);
> + return r;
> + }
> + return 0;
> }
>
> static void dsi_runtime_put(struct platform_device *dsidev)
> diff --git a/drivers/video/fbdev/omap2/omapfb/dss/dss.c b/drivers/video/fbdev/omap2/omapfb/dss/dss.c
> index 7252d22dd117..3586579c838f 100644
> --- a/drivers/video/fbdev/omap2/omapfb/dss/dss.c
> +++ b/drivers/video/fbdev/omap2/omapfb/dss/dss.c
> @@ -768,8 +768,11 @@ int dss_runtime_get(void)
> DSSDBG("dss_runtime_get\n");
>
> r = pm_runtime_get_sync(&dss.pdev->dev);
> - WARN_ON(r < 0);
> - return r < 0 ? r : 0;
> + if (WARN_ON(r < 0)) {
> + pm_runtime_put_sync(&dss.pdev->dev);
> + return r;
> + }
> + return 0;
> }
>
> void dss_runtime_put(void)
> diff --git a/drivers/video/fbdev/omap2/omapfb/dss/hdmi4.c b/drivers/video/fbdev/omap2/omapfb/dss/hdmi4.c
> index 7060ae56c062..4804aab34298 100644
> --- a/drivers/video/fbdev/omap2/omapfb/dss/hdmi4.c
> +++ b/drivers/video/fbdev/omap2/omapfb/dss/hdmi4.c
> @@ -39,9 +39,10 @@ static int hdmi_runtime_get(void)
> DSSDBG("hdmi_runtime_get\n");
>
> r = pm_runtime_get_sync(&hdmi.pdev->dev);
> - WARN_ON(r < 0);
> - if (r < 0)
> + if (WARN_ON(r < 0)) {
> + pm_runtime_put_sync(&hdmi.pdev->dev);
> return r;
> + }
>
> return 0;
> }
> diff --git a/drivers/video/fbdev/omap2/omapfb/dss/hdmi5.c b/drivers/video/fbdev/omap2/omapfb/dss/hdmi5.c
> index ac49531e4732..a06b6f1355bd 100644
> --- a/drivers/video/fbdev/omap2/omapfb/dss/hdmi5.c
> +++ b/drivers/video/fbdev/omap2/omapfb/dss/hdmi5.c
> @@ -43,9 +43,10 @@ static int hdmi_runtime_get(void)
> DSSDBG("hdmi_runtime_get\n");
>
> r = pm_runtime_get_sync(&hdmi.pdev->dev);
> - WARN_ON(r < 0);
> - if (r < 0)
> + if (WARN_ON(r < 0)) {
> + pm_runtime_put_sync(&hdmi.pdev->dev);
> return r;
> + }
>
> return 0;
> }
> diff --git a/drivers/video/fbdev/omap2/omapfb/dss/venc.c b/drivers/video/fbdev/omap2/omapfb/dss/venc.c
> index d5404d56c922..0b0ad20afd63 100644
> --- a/drivers/video/fbdev/omap2/omapfb/dss/venc.c
> +++ b/drivers/video/fbdev/omap2/omapfb/dss/venc.c
> @@ -348,8 +348,11 @@ static int venc_runtime_get(void)
> DSSDBG("venc_runtime_get\n");
>
> r = pm_runtime_get_sync(&venc.pdev->dev);
> - WARN_ON(r < 0);
> - return r < 0 ? r : 0;
> + if (WARN_ON(r < 0)) {
> + pm_runtime_put_sync(&venc.pdev->dev);
> + return r;
> + }
> + return 0;
> }
>
> static void venc_runtime_put(void)
>
