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authorBob Moore <robert.moore@intel.com>2015-12-29 13:57:07 +0800
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2016-01-01 03:47:36 +0100
commit973da572820c1c85ae828c2e090e9f902546ba96 (patch)
tree729af737ff9579a328a754cb7db8ce9add0456ad /drivers/acpi/acpica
parent5e568304a2971332bb7b80fd6cf2a0f77e487d32 (diff)
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ACPICA: Debug object: Fix output for a NULL object
ACPICA commit e4414f067c726ef746dac990c0bae7f433045843 Was broken by addition of "null string" feature to emit simple blank lines. Link: https://github.com/acpica/acpica/commit/e4414f06 Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/acpica')
-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) &&