fix data is nullptr (#73526)

xiaoguoguo626807 · web-flow · commit 6e1cf93f9df6 · 2025-06-23T10:40:36.000+08:00
diff --git a/paddle/phi/kernels/gpu/masked_fill_grad_kernel.cu b/paddle/phi/kernels/gpu/masked_fill_grad_kernel.cu
@@ -243,12 +243,12 @@ void GPUMaskedFillGrad(const phi::GPUContext& dev_ctx,
 
   int vec_size = 4;
   vec_size = std::min(phi::GetVectorizedSize(out_grad_data), vec_size);
-  if (x_grad) {
+  if (x_grad && x_grad->initialized()) {
     x_grad_data = x_grad->data<T>();
     vec_size = std::min(phi::GetVectorizedSize(x_grad_data), vec_size);
   }
 
-  if (value_grad) {
+  if (value_grad && value_grad->initialized()) {
     value_grad_data = value_grad->data<T>();
     vec_size = std::min(phi::GetVectorizedSize(value_grad_data), vec_size);
   }

Original file line number	Diff line number	Diff line change
`@@ -243,12 +243,12 @@ void GPUMaskedFillGrad(const phi::GPUContext& dev_ctx,`
`243`	`243`
`244`	`244`	`int vec_size = 4;`
`245`	`245`	`vec_size = std::min(phi::GetVectorizedSize(out_grad_data), vec_size);`
`246`		`- if (x_grad) {`
	`246`	`+ if (x_grad && x_grad->initialized()) {`
`247`	`247`	`x_grad_data = x_grad->data<T>();`
`248`	`248`	`vec_size = std::min(phi::GetVectorizedSize(x_grad_data), vec_size);`
`249`	`249`	`}`
`250`	`250`
`251`		`- if (value_grad) {`
	`251`	`+ if (value_grad && value_grad->initialized()) {`
`252`	`252`	`value_grad_data = value_grad->data<T>();`
`253`	`253`	`vec_size = std::min(phi::GetVectorizedSize(value_grad_data), vec_size);`
`254`	`254`	`}`