linux-kernel - [PATCH -next] media: igorplugusb: use correct size pass to igorplugusb

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Date:   Tue, 28 Jun 2022 14:54:53 +0800
From:   Yang Yingliang <yangyingliang@...wei.com>
To:     <linux-kernel@...r.kernel.org>, <linux-media@...r.kernel.org>
CC:     <mchehab@...nel.org>, <sean@...s.org>, <oneukum@...e.com>
Subject: [PATCH -next] media: igorplugusb: use correct size pass to igorplugusb_probe()

After 'buf_in' change to pointer, the sizeof() is not correct buffer
size, it should be MAX_PACKET.

Fixes: b3f820b905c9 ("media: igorplugusb: respect DMA coherency")
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Yang Yingliang <yangyingliang@...wei.com>
---
 drivers/media/rc/igorplugusb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/rc/igorplugusb.c b/drivers/media/rc/igorplugusb.c
index 12ee5dd0a61a..22348e91d0b1 100644
--- a/drivers/media/rc/igorplugusb.c
+++ b/drivers/media/rc/igorplugusb.c
@@ -181,7 +181,7 @@ static int igorplugusb_probe(struct usb_interface *intf,
 		goto fail;
 	usb_fill_control_urb(ir->urb, udev,
 		usb_rcvctrlpipe(udev, 0), (uint8_t *)&ir->request,
-		ir->buf_in, sizeof(ir->buf_in), igorplugusb_callback, ir);
+		ir->buf_in, MAX_PACKET, igorplugusb_callback, ir);
 
 	usb_make_path(udev, ir->phys, sizeof(ir->phys));
 
-- 
2.25.1