From: Yang Yingliang <yangyingliang@huawei.com>
To: <linux-input@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Cc: <jikos@kernel.org>, <benjamin.tissoires@redhat.com>
Subject: [PATCH -next] HID: thrustmaster: Switch to kmemdup() when allocate change_request
Date: Tue, 11 May 2021 19:30:33 +0800 [thread overview]
Message-ID: <20210511113033.3760555-1-yangyingliang@huawei.com> (raw)
Use kmemdup() helper instead of open-coding to
simplify the code when allocate change_request.
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
---
drivers/hid/hid-thrustmaster.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/hid/hid-thrustmaster.c b/drivers/hid/hid-thrustmaster.c
index f643b1cb112d..cdc7d82ae9ed 100644
--- a/drivers/hid/hid-thrustmaster.c
+++ b/drivers/hid/hid-thrustmaster.c
@@ -311,12 +311,13 @@ static int thrustmaster_probe(struct hid_device *hdev, const struct hid_device_i
goto error4;
}
- tm_wheel->change_request = kzalloc(sizeof(struct usb_ctrlrequest), GFP_KERNEL);
+ tm_wheel->change_request = kmemdup(&change_request,
+ sizeof(struct usb_ctrlrequest),
+ GFP_KERNEL);
if (!tm_wheel->change_request) {
ret = -ENOMEM;
goto error5;
}
- memcpy(tm_wheel->change_request, &change_request, sizeof(struct usb_ctrlrequest));
tm_wheel->usb_dev = interface_to_usbdev(to_usb_interface(hdev->dev.parent));
hid_set_drvdata(hdev, tm_wheel);
--
2.25.1
next reply other threads:[~2021-05-11 11:28 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-11 11:30 Yang Yingliang [this message]
2021-06-25 12:11 ` [PATCH -next] HID: thrustmaster: Switch to kmemdup() when allocate change_request Jiri Kosina
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