Re: [PATCH v6 1/7] drm/stm: ltdc: Fix leak of px clk enable in some error paths

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Hi Philippe,

On 07/17/2017 01:10 PM, Philippe CORNU wrote:
The pixel clock gets enabled early during init, since it's required
in order to read registers. This pixel clock must be disabled if
errors during this init phase.


This patch was pulled in to drm-misc-next, but it lacks your Sign-off.
It looks like the Ack and the Sign-off got accidentally mixed up

Can you please reply to this mail with your "Signed-off-by" so that
we have proof of it on dri-devel?

Thanks,
Archit

Signed-off-by: Eric Anholt <eric@xxxxxxxxxx>
Acked-by: Philippe Cornu <philippe.cornu@xxxxxx>
---
  drivers/gpu/drm/stm/ltdc.c | 10 ++++++----
  1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
index 5331760..7f64d5a 100644
--- a/drivers/gpu/drm/stm/ltdc.c
+++ b/drivers/gpu/drm/stm/ltdc.c
@@ -1045,13 +1045,15 @@ int ltdc_load(struct drm_device *ddev)
if (of_address_to_resource(np, 0, &res)) {
  		DRM_ERROR("Unable to get resource\n");
-		return -ENODEV;
+		ret = -ENODEV;
+		goto err;
  	}
ldev->regs = devm_ioremap_resource(dev, &res);
  	if (IS_ERR(ldev->regs)) {
  		DRM_ERROR("Unable to get ltdc registers\n");
-		return PTR_ERR(ldev->regs);
+		ret = PTR_ERR(ldev->regs);
+		goto err;
  	}
for (i = 0; i < MAX_IRQ; i++) {
@@ -1064,7 +1066,7 @@ int ltdc_load(struct drm_device *ddev)
  						dev_name(dev), ddev);
  		if (ret) {
  			DRM_ERROR("Failed to register LTDC interrupt\n");
-			return ret;
+			goto err;
  		}
  	}
@@ -1079,7 +1081,7 @@ int ltdc_load(struct drm_device *ddev)
  	if (ret) {
  		DRM_ERROR("hardware identifier (0x%08x) not supported!\n",
  			  ldev->caps.hw_version);
-		return ret;
+		goto err;
  	}
DRM_INFO("ltdc hw version 0x%08x - ready\n", ldev->caps.hw_version);


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