diff options
Diffstat (limited to 'drivers/platform')
| -rw-r--r-- | drivers/platform/x86/acerhdf.c | 4 |
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); |