[PATCH 4.9 28/95] HID: Fix hid_report_len usage

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

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

From: Aaron Ma <aaron.ma@xxxxxxxxxxxxx>

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@xxxxxxxxxxxxxxx
Signed-off-by: Aaron Ma <aaron.ma@xxxxxxxxxxxxx>
Signed-off-by: Jiri Kosina <jkosina@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 drivers/hid/hid-input.c      |    3 ++-
 drivers/hid/hid-multitouch.c |    5 +++--
 drivers/hid/hid-rmi.c        |    4 ++--
 drivers/hid/wacom_sys.c      |    2 +-
 4 files changed, 8 insertions(+), 6 deletions(-)

--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -1279,7 +1279,8 @@ 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
@@ -315,7 +315,8 @@ 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;
 
--- a/drivers/hid/wacom_sys.c
+++ b/drivers/hid/wacom_sys.c
@@ -351,7 +351,7 @@ static int wacom_set_device_mode(struct
 	u8 *rep_data;
 	struct hid_report *r;
 	struct hid_report_enum *re;
-	int length;
+	u32 length;
 	int error = -ENOMEM, limit = 0;
 
 	if (wacom_wac->mode_report < 0)





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