From fa9f924c7ff95f9299e11657c4441288d7f01dbd Mon Sep 17 00:00:00 2001
From: Mario Limonciello <mario.limonciello@dell.com>
Date: Wed, 1 Nov 2017 14:25:26 -0500
Subject: [PATCH] platform/x86: dell-wmi: don't check length returned
Mime-version: 1.0
Content-type: text/plain; charset=UTF-8
Content-transfer-encoding: 8bit
Git-commit: fa9f924c7ff95f9299e11657c4441288d7f01dbd
Patch-mainline: v4.15-rc1
References: FATE#325842
This is intended to be variable and provided by the platform.
Some platforms this year will be adopting a 32k WMI buffer, so don't
complain when encountering those platforms or any other future changes.
Signed-off-by: Mario Limonciello <mario.limonciello@dell.com>
Reviewed-by: Edward O'Callaghan <quasisec@google.com>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/platform/x86/dell-wmi.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
--- a/drivers/platform/x86/dell-wmi.c
+++ b/drivers/platform/x86/dell-wmi.c
@@ -624,7 +624,7 @@ static void dell_wmi_input_destroy(struc
* Vendor Signature 0 4 "DELL"
* Object Signature 4 4 " WMI"
* WMI Interface Version 8 4 <version>
- * WMI buffer length 12 4 4096
+ * WMI buffer length 12 4 <length>
*/
static int dell_wmi_check_descriptor_buffer(struct wmi_device *wdev)
{
@@ -674,10 +674,6 @@ static int dell_wmi_check_descriptor_buf
dev_warn(&wdev->dev, "Dell descriptor buffer has unknown version (%lu)\n",
(unsigned long) buffer[2]);
- if (buffer[3] != 4096)
- dev_warn(&wdev->dev, "Dell descriptor buffer has invalid buffer length (%d)\n",
- buffer[3]);
-
priv->interface_version = buffer[2];
ret = 0;