| Message ID | 1cdd8523443d8850c5531462b30064cb2058924a.1725651992.git.christophe.jaillet@wanadoo.fr (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | drm/ipuv3/parallel: Fix an error handling path in imx_pd_probe() | expand |
On Fri, 06 Sep 2024, Christophe JAILLET <christophe.jaillet@wanadoo.fr> wrote: > If component_add() fails, we need to undo a potential previous > drm_edid_alloc() call. > > Add an error handling path and the missing drm_edid_free(), as already done > in the reomve function. See commit fe30fabf229f ("drm/imx: parallel-display: drop edid override support"). BR, Jani. > > Fixes: 42e08287a318 ("drm/ipuv3/parallel: convert to struct drm_edid") > Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> > --- > drivers/gpu/drm/imx/ipuv3/parallel-display.c | 10 +++++++++- > 1 file changed, 9 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/imx/ipuv3/parallel-display.c b/drivers/gpu/drm/imx/ipuv3/parallel-display.c > index 91d7808a2d8d..6d51203f7f0f 100644 > --- a/drivers/gpu/drm/imx/ipuv3/parallel-display.c > +++ b/drivers/gpu/drm/imx/ipuv3/parallel-display.c > @@ -350,7 +350,15 @@ static int imx_pd_probe(struct platform_device *pdev) > > platform_set_drvdata(pdev, imxpd); > > - return component_add(dev, &imx_pd_ops); > + ret = component_add(dev, &imx_pd_ops); > + if (ret) > + goto free_edid; > + > + return 0; > + > +free_edid: > + drm_edid_free(imxpd->drm_edid); > + return ret; > } > > static void imx_pd_remove(struct platform_device *pdev)
diff --git a/drivers/gpu/drm/imx/ipuv3/parallel-display.c b/drivers/gpu/drm/imx/ipuv3/parallel-display.c index 91d7808a2d8d..6d51203f7f0f 100644 --- a/drivers/gpu/drm/imx/ipuv3/parallel-display.c +++ b/drivers/gpu/drm/imx/ipuv3/parallel-display.c @@ -350,7 +350,15 @@ static int imx_pd_probe(struct platform_device *pdev) platform_set_drvdata(pdev, imxpd); - return component_add(dev, &imx_pd_ops); + ret = component_add(dev, &imx_pd_ops); + if (ret) + goto free_edid; + + return 0; + +free_edid: + drm_edid_free(imxpd->drm_edid); + return ret; } static void imx_pd_remove(struct platform_device *pdev)
If component_add() fails, we need to undo a potential previous drm_edid_alloc() call. Add an error handling path and the missing drm_edid_free(), as already done in the reomve function. Fixes: 42e08287a318 ("drm/ipuv3/parallel: convert to struct drm_edid") Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> --- drivers/gpu/drm/imx/ipuv3/parallel-display.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-)