1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c
index d29ad2e4afc2..3f28f6eabdbf 100644
--- a/drivers/misc/thinkpad_acpi.c
+++ b/drivers/misc/thinkpad_acpi.c
@@ -6191,7 +6191,7 @@ static void __init get_thinkpad_model_data(struct thinkpad_id_data *tp)
 
         tp->model_str = kstrdup(dmi_get_system_info(DMI_PRODUCT_VERSION),
                                         GFP_KERNEL);
-        if (strnicmp(tp->model_str, "ThinkPad", 8) != 0) {
+        if (tp->model_str && strnicmp(tp->model_str, "ThinkPad", 8) != 0) {
                 kfree(tp->model_str);
                 tp->model_str = NULL;
         }