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-rw-r--r--drivers/acpi/tables.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c
index 4ec44258e4ff..a17619bfb57b 100644
--- a/drivers/acpi/tables.c
+++ b/drivers/acpi/tables.c
@@ -293,7 +293,7 @@ int __init acpi_table_parse(char *id, acpi_tbl_table_handler handler)
if (acpi_disabled)
return -ENODEV;
- if (!handler)
+ if (!id || !handler)
return -EINVAL;
if (strncmp(id, ACPI_SIG_MADT, 4) == 0)
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