From 244f484af2bb1e7f73ff21d0c39aa8349151735d Mon Sep 17 00:00:00 2001
From: Mario Limonciello <Mario_Limonciello@Dell.com>
Date: Tue, 9 Feb 2010 14:11:05 -0500
Subject: [PATCH] --- yaml --- r: 181840 b: refs/heads/master c:
 ec1722a21491e4c354bc3bbc704fef9a8fa811fb h: refs/heads/master v: v3

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

diff --git a/[refs] b/[refs]
index f8ca9d7c00ed..0894f89630b7 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e551260b233e8dcbdc9d5f238ad4aa1200dc2ea7
+refs/heads/master: ec1722a21491e4c354bc3bbc704fef9a8fa811fb
diff --git a/trunk/drivers/platform/x86/dell-laptop.c b/trunk/drivers/platform/x86/dell-laptop.c
index b13eb6a2cb51..81213e815400 100644
--- a/trunk/drivers/platform/x86/dell-laptop.c
+++ b/trunk/drivers/platform/x86/dell-laptop.c
@@ -190,6 +190,10 @@ static int dell_rfkill_set(void *data, bool blocked)
 	unsigned long radio = (unsigned long)data;
 
 	memset(&buffer, 0, sizeof(struct calling_interface_buffer));
+	dell_send_request(&buffer, 17, 11);
+	if (!(buffer.output[1] & BIT(16)))
+		return -EINVAL;
+
 	buffer.input[0] = (1 | (radio<<8) | (disable << 16));
 	dell_send_request(&buffer, 17, 11);