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path: root/drivers/acpi/nfit.c
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Diffstat (limited to 'drivers/acpi/nfit.c')
-rw-r--r--drivers/acpi/nfit.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/acpi/nfit.c b/drivers/acpi/nfit.c
index c1b8d03e262e..35b4b5693110 100644
--- a/drivers/acpi/nfit.c
+++ b/drivers/acpi/nfit.c
@@ -335,6 +335,12 @@ static void *add_table(struct acpi_nfit_desc *acpi_desc, void *table,
return NULL;
hdr = table;
+ if (!hdr->length) {
+ dev_warn(dev, "found a zero length table '%d' parsing nfit\n",
+ hdr->type);
+ return NULL;
+ }
+
switch (hdr->type) {
case ACPI_NFIT_TYPE_SYSTEM_ADDRESS:
if (!add_spa(acpi_desc, table))