1 files changed, 4 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/components/disassembler/dmopcode.c b/sys/contrib/dev/acpica/components/disassembler/dmopcode.c
index f77240af7cc7..095b6c210052 100644
--- a/sys/contrib/dev/acpica/components/disassembler/dmopcode.c
+++ b/sys/contrib/dev/acpica/components/disassembler/dmopcode.c
@@ -254,6 +254,10 @@ AcpiDmFieldPredefinedDescription (
     /* Major cheat: We previously put the Tag ptr in the Node field */
 
     Tag = ACPI_CAST_PTR (char, IndexOp->Common.Node);
+    if (!Tag)
+    {
+        return;
+    }
 
     /* Match the name in the info table */