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drm/tilcdc: Fix tilcdc_crtc_create() return value handling

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Failed tilcdc_crtc_create() error handling was broken, this patch
should fix it.

Signed-off-by: Jyri Sarha <jsarha@ti.com>
Tested-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
This commit is contained in:
Jyri Sarha
2016-11-15 22:56:46 +02:00
parent 9345235e9c
commit 9963d36d14
3 changed files with 12 additions and 13 deletions
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12
drivers/gpu/drm/tilcdc/tilcdc_crtc.c
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@@ -957,7 +957,7 @@ irqreturn_t tilcdc_crtc_irq(struct drm_crtc *crtc)
return IRQ_HANDLED;
}
struct drm_crtc *tilcdc_crtc_create(struct drm_device *dev)
int tilcdc_crtc_create(struct drm_device *dev)
{
struct tilcdc_drm_private *priv = dev->dev_private;
struct tilcdc_crtc *tilcdc_crtc;
@@ -967,7 +967,7 @@ struct drm_crtc *tilcdc_crtc_create(struct drm_device *dev)
tilcdc_crtc = devm_kzalloc(dev->dev, sizeof(*tilcdc_crtc), GFP_KERNEL);
if (!tilcdc_crtc) {
dev_err(dev->dev, "allocation failed\n");
return NULL;
return -ENOMEM;
}
if (priv->rev == 1) {
@@ -977,7 +977,7 @@ struct drm_crtc *tilcdc_crtc_create(struct drm_device *dev)
&tilcdc_crtc->palette_dma_handle,
GFP_KERNEL | __GFP_ZERO);
if (!tilcdc_crtc->palette_base)
return ERR_PTR(-ENOMEM);
return -ENOMEM;
}
crtc = &tilcdc_crtc->base;
@@ -1020,13 +1020,15 @@ struct drm_crtc *tilcdc_crtc_create(struct drm_device *dev)
if (!crtc->port) { /* This should never happen */
dev_err(dev->dev, "Port node not found in %s\n",
dev->dev->of_node->full_name);
ret = -EINVAL;
goto fail;
}
}
return crtc;
priv->crtc = crtc;
return 0;
fail:
tilcdc_crtc_destroy(crtc);
return NULL;
return -ENOMEM;
}