Re: [PATCH] drm: xlnx: zynqmp_disp: layer may be null while releasing

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Hi,

On 21/10/2024 16:51, Steffen Dirkwinkel wrote:
From: Steffen Dirkwinkel <s.dirkwinkel@xxxxxxxxxxxx>

layer->info can be null if we have an error on the first layer in
zynqmp_disp_create_layers

Signed-off-by: Steffen Dirkwinkel <s.dirkwinkel@xxxxxxxxxxxx>
---
  drivers/gpu/drm/xlnx/zynqmp_disp.c | 3 +++
  1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/xlnx/zynqmp_disp.c b/drivers/gpu/drm/xlnx/zynqmp_disp.c
index 9368acf56eaf..e4e0e299e8a7 100644
--- a/drivers/gpu/drm/xlnx/zynqmp_disp.c
+++ b/drivers/gpu/drm/xlnx/zynqmp_disp.c
@@ -1200,6 +1200,9 @@ static void zynqmp_disp_layer_release_dma(struct zynqmp_disp *disp,
  {
  	unsigned int i;
+ if (!layer->info)
+		return;
+
  	for (i = 0; i < layer->info->num_channels; i++) {
  		struct zynqmp_disp_layer_dma *dma = &layer->dmas[i];

I think this should also have the Fixes tag, but probably not stable material.

 Tomi




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