diff --git a/drivers/crypto/ccp/dbc.c b/drivers/crypto/ccp/dbc.c
index 839ea14b9a85..6f33149ef80d 100644
--- a/drivers/crypto/ccp/dbc.c
+++ b/drivers/crypto/ccp/dbc.c
@@ -205,7 +205,7 @@ int dbc_dev_init(struct psp_device *psp)
 		return -ENOMEM;
 
 	BUILD_BUG_ON(sizeof(union dbc_buffer) > PAGE_SIZE);
-	dbc_dev->mbox = (void *)devm_get_free_pages(dev, GFP_KERNEL, 0);
+	dbc_dev->mbox = (void *)devm_get_free_pages(dev, GFP_KERNEL | __GFP_ZERO, 0);
 	if (!dbc_dev->mbox) {
 		ret = -ENOMEM;
 		goto cleanup_dev;