Messages in this thread | | | Date | Thu, 20 Jan 2022 02:16:22 +0300 | Subject | Re: [PATCH] drm/msm/dsi: Fix missing put_device() call in dsi_get_phy | From | Dmitry Baryshkov <> |
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On 30/12/2021 10:09, Miaoqian Lin wrote: > If of_find_device_by_node() succeeds, dsi_get_phy() doesn't > a corresponding put_device(). Thus add put_device() to fix the exception > handling. > > Fixes: ec31abf ("drm/msm/dsi: Separate PHY to another platform device") > Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
> --- > drivers/gpu/drm/msm/dsi/dsi.c | 7 ++++++- > 1 file changed, 6 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/msm/dsi/dsi.c b/drivers/gpu/drm/msm/dsi/dsi.c > index 75ae3008b68f..35be526e907a 100644 > --- a/drivers/gpu/drm/msm/dsi/dsi.c > +++ b/drivers/gpu/drm/msm/dsi/dsi.c > @@ -40,7 +40,12 @@ static int dsi_get_phy(struct msm_dsi *msm_dsi) > > of_node_put(phy_node); > > - if (!phy_pdev || !msm_dsi->phy) { > + if (!phy_pdev) { > + DRM_DEV_ERROR(&pdev->dev, "%s: phy driver is not ready\n", __func__); > + return -EPROBE_DEFER; > + } > + if (!msm_dsi->phy) { > + put_device(&phy_pdev->dev); > DRM_DEV_ERROR(&pdev->dev, "%s: phy driver is not ready\n", __func__); > return -EPROBE_DEFER; > }
-- With best wishes Dmitry
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