linux-kernel - [PATCH 4.4 43/97] HID: Fix hid_report

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Message-Id: <20180422135307.717270442@linuxfoundation.org>
Date:   Sun, 22 Apr 2018 15:53:21 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Aaron Ma <aaron.ma@...onical.com>,
        Jiri Kosina <jkosina@...e.cz>
Subject: [PATCH 4.4 43/97] HID: Fix hid_report_len usage

4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Aaron Ma <aaron.ma@...onical.com>

commit 3064a03b94e60388f0955fcc29f3e8a978d28f75 upstream.

Follow the change of return type u32 of hid_report_len,
fix all the types of variables those get the return value of
hid_report_len to u32, and all other code already uses u32.

Cc: stable@...r.kernel.org
Signed-off-by: Aaron Ma <aaron.ma@...onical.com>
Signed-off-by: Jiri Kosina <jkosina@...e.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/hid/hid-input.c      |    3 ++-
 drivers/hid/hid-multitouch.c |    5 +++--
 drivers/hid/hid-rmi.c        |    4 ++--
 3 files changed, 7 insertions(+), 5 deletions(-)

--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -1258,7 +1258,8 @@ static void hidinput_led_worker(struct w
 					      led_work);
 	struct hid_field *field;
 	struct hid_report *report;
-	int len, ret;
+	int ret;
+	u32 len;
 	__u8 *buf;
 
 	field = hidinput_get_led_field(hid);
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -314,7 +314,8 @@ static struct attribute_group mt_attribu
 static void mt_get_feature(struct hid_device *hdev, struct hid_report *report)
 {
 	struct mt_device *td = hid_get_drvdata(hdev);
-	int ret, size = hid_report_len(report);
+	int ret;
+	u32 size = hid_report_len(report);
 	u8 *buf;
 
 	/*
@@ -919,7 +920,7 @@ static void mt_set_input_mode(struct hid
 	struct hid_report_enum *re;
 	struct mt_class *cls = &td->mtclass;
 	char *buf;
-	int report_len;
+	u32 report_len;
 
 	if (td->inputmode < 0)
 		return;
--- a/drivers/hid/hid-rmi.c
+++ b/drivers/hid/hid-rmi.c
@@ -110,8 +110,8 @@ struct rmi_data {
 	u8 *writeReport;
 	u8 *readReport;
 
-	int input_report_size;
-	int output_report_size;
+	u32 input_report_size;
+	u32 output_report_size;
 
 	unsigned long flags;