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[v11,04/15] platform/x86: dell-wmi: don't check length returned

Message ID d9b7d540e14f23520f69179c3f6f7816010c4c87.1508515469.git.mario.limonciello@dell.com (mailing list archive)
State Changes Requested, archived
Delegated to: Darren Hart
Headers show

Commit Message

Limonciello, Mario Oct. 20, 2017, 5:40 p.m. UTC 
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>
---
 drivers/platform/x86/dell-wmi.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)
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Patch

diff --git a/drivers/platform/x86/dell-wmi.c b/drivers/platform/x86/dell-wmi.c
index b2bd396acac5..da4f629d0831 100644
--- a/drivers/platform/x86/dell-wmi.c
+++ b/drivers/platform/x86/dell-wmi.c
@@ -624,7 +624,7 @@  static void dell_wmi_input_destroy(struct wmi_device *wdev)
  * 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_buffer(struct wmi_device *wdev)
 		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;