[PATCH 3/4] lib: fwts_acpi_tables: add checking for empty table parsing

[Colin King]

From: Colin Ian King <colin.king at canonical.com>

Signed-off-by: Colin Ian King <colin.king at canonical.com>
---
 src/lib/src/fwts_acpi_tables.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/lib/src/fwts_acpi_tables.c b/src/lib/src/fwts_acpi_tables.c
index 1592791..3fa200b 100644
--- a/src/lib/src/fwts_acpi_tables.c
+++ b/src/lib/src/fwts_acpi_tables.c
@@ -655,6 +655,11 @@ static uint8_t *fwts_acpi_load_table_from_acpidump(
 		if (n != 16)
 			break;
 	}
+	/* Unlikely, but an empty table should be checked for */
+	if (!tmp) {
+		fwts_log_error(fw, "ACPI table parser found an empty table '%s'.", name);
+		return NULL;
+	}
 
 	/* Allocate the table using low 32 bit memory */
 	if ((table = fwts_low_malloc(len)) == NULL) {
-- 
2.5.0