From 69d7d140108236982b30fb17d804935aaa1c5aed Mon Sep 17 00:00:00 2001
From: Rahul Chaturvedi <rkc@chromium.org>
Date: Tue, 20 Jul 2010 15:19:33 -0700
Subject: [PATCH] --- yaml --- r: 202463 b: refs/heads/master c:
 5cf4c07a2805388b5645079039d9a8b4b9269e08 h: refs/heads/master i:   202461:
 b9c7a2d7b2fdbe930f24807d19c43ae8e95e2268   202459:
 65fe7149e699c83e2bfce51acab609f333ada5d4   202455:
 a167fcc14edaa58659a5d7022c55d173a3deef2d   202447:
 d9b95483454a233f94c9de5223f6926191574129   202431:
 ac3e125a0b2699f6e19c60e1bfb62d1d46206e39 v: v3

---
 [refs]                               | 2 +-
 trunk/drivers/platform/x86/acerhdf.c | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 8edcef3cd1c2..dcdc5f49be09 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 210183d4af87cc70d7e4552d325f238734cade15
+refs/heads/master: 5cf4c07a2805388b5645079039d9a8b4b9269e08
diff --git a/trunk/drivers/platform/x86/acerhdf.c b/trunk/drivers/platform/x86/acerhdf.c
index 9226838c867f..6abd3f15dd85 100644
--- a/trunk/drivers/platform/x86/acerhdf.c
+++ b/trunk/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);