diff mbox series

[30/32] ACPICA: ACPICA: check null return of ACPI_ALLOCATE_ZEROED in acpi_db_display_objects

Message ID 3219383.AJdgDx1Vlc@kreacher
State New
Headers show
Series ACPICA: ACPICA 20230331 | expand

Commit Message

Rafael J. Wysocki April 5, 2023, 1:57 p.m. UTC 
From: void0red <30990023+void0red@users.noreply.github.com>

ACPICA commit 0d5f467d6a0ba852ea3aad68663cbcbd43300fd4

ACPI_ALLOCATE_ZEROED may fails, object_info might be null and will cause
null pointer dereference later.

Link: https://github.com/acpica/acpica/commit/0d5f467d
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---
 drivers/acpi/acpica/dbnames.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/drivers/acpi/acpica/dbnames.c b/drivers/acpi/acpica/dbnames.c
index 3615e1a6efd8..b91155ea9c34 100644
--- a/drivers/acpi/acpica/dbnames.c
+++ b/drivers/acpi/acpica/dbnames.c
@@ -652,6 +652,9 @@  acpi_status acpi_db_display_objects(char *obj_type_arg, char *display_count_arg)
 		object_info =
 		    ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_object_info));
 
+		if (!object_info)
+			return (AE_NO_MEMORY);
+
 		/* Walk the namespace from the root */
 
 		(void)acpi_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,