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

[Steffen Dirkwinkel]

From: Steffen Dirkwinkel <s.dirkwin...@beckhoff.com>

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.dirkwin...@beckhoff.com>
---
 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];
 
-- 
2.47.0