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Diffstat (limited to 'drivers/acpi/acpica/exdebug.c')
-rw-r--r--drivers/acpi/acpica/exdebug.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/acpi/acpica/exdebug.c b/drivers/acpi/acpica/exdebug.c
index a2033353d030..ca6e379f4347 100644
--- a/drivers/acpi/acpica/exdebug.c
+++ b/drivers/acpi/acpica/exdebug.c
@@ -90,7 +90,8 @@ acpi_ex_do_debug_object(union acpi_operand_object *source_desc,
/* Null string or newline -- don't emit the line header */
- if ((ACPI_GET_DESCRIPTOR_TYPE(source_desc) == ACPI_DESC_TYPE_OPERAND) &&
+ if (source_desc &&
+ (ACPI_GET_DESCRIPTOR_TYPE(source_desc) == ACPI_DESC_TYPE_OPERAND) &&
(source_desc->common.type == ACPI_TYPE_STRING)) {
if ((source_desc->string.length == 0) ||
((source_desc->string.length == 1) &&