linux-kernel - [PATCH 4.4 048/131] hid-sensor-hub.c: fix wrong do

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Message-Id: <20190401170056.328720780@linuxfoundation.org>
Date:   Mon,  1 Apr 2019 19:01:58 +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, Nicolas Pitre <nico@...aro.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.4 048/131] hid-sensor-hub.c: fix wrong do_div() usage

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

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

[ Upstream commit 8d43b49e7e0070f96ac46d30659a336c0224fa0b ]

do_div() must only be used with a u64 dividend.

Signed-off-by: Nicolas Pitre <nico@...aro.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/hid/hid-sensor-hub.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/hid/hid-sensor-hub.c b/drivers/hid/hid-sensor-hub.c
index 92870cdb52d9..8efaa88329aa 100644
--- a/drivers/hid/hid-sensor-hub.c
+++ b/drivers/hid/hid-sensor-hub.c
@@ -218,7 +218,8 @@ int sensor_hub_set_feature(struct hid_sensor_hub_device *hsdev, u32 report_id,
 		goto done_proc;
 	}
 
-	remaining_bytes = do_div(buffer_size, sizeof(__s32));
+	remaining_bytes = buffer_size % sizeof(__s32);
+	buffer_size = buffer_size / sizeof(__s32);
 	if (buffer_size) {
 		for (i = 0; i < buffer_size; ++i) {
 			hid_set_field(report->field[field_index], i,
-- 
2.19.1