summaryrefslogtreecommitdiffstats
path: root/drivers/media/rc/igorplugusb.c
diff options
context:
space:
mode:
authorYang Yingliang <yangyingliang@huawei.com>2022-06-28 08:54:53 +0200
committerMauro Carvalho Chehab <mchehab@kernel.org>2022-07-15 15:52:20 +0200
commit2a98e887e0e3cc788f323c52f9e352ad8a01c689 (patch)
tree43606b94456fc4ea2928c2d2a7cfd612b1e6183d /drivers/media/rc/igorplugusb.c
parentmedia: vimc: documentation for lens (diff)
downloadlinux-2a98e887e0e3cc788f323c52f9e352ad8a01c689.tar.xz
linux-2a98e887e0e3cc788f323c52f9e352ad8a01c689.zip
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@huawei.com> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'drivers/media/rc/igorplugusb.c')
-rw-r--r--drivers/media/rc/igorplugusb.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/media/rc/igorplugusb.c b/drivers/media/rc/igorplugusb.c
index 12ee5dd0a61a..1464ef9c55bc 100644
--- a/drivers/media/rc/igorplugusb.c
+++ b/drivers/media/rc/igorplugusb.c
@@ -170,7 +170,7 @@ static int igorplugusb_probe(struct usb_interface *intf,
ir->request.bRequest = GET_INFRACODE;
ir->request.bRequestType = USB_TYPE_VENDOR | USB_DIR_IN;
- ir->request.wLength = cpu_to_le16(sizeof(ir->buf_in));
+ ir->request.wLength = cpu_to_le16(MAX_PACKET);
ir->urb = usb_alloc_urb(0, GFP_KERNEL);
if (!ir->urb)
@@ -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));