1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/platform/x86/acerhdf.c b/drivers/platform/x86/acerhdf.c
index 9226838c867f..6abd3f15dd85 100644
--- a/drivers/platform/x86/acerhdf.c
+++ b/drivers/platform/x86/acerhdf.c
@@ -524,6 +524,10 @@ static int acerhdf_check_hardware(void)
         version = dmi_get_system_info(DMI_BIOS_VERSION);
         product = dmi_get_system_info(DMI_PRODUCT_NAME);
 
+        if (!vendor || !version || !product) {
+                pr_err("error getting hardware information\n");
+                return -EINVAL;
+        }
 
         pr_info("Acer Aspire One Fan driver, v.%s\n", DRV_VER);