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zd1201: do not use stack as URB transfer_buffer

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commit 1206ff4ff9 upstream.

Patch fixes zd1201 not to use stack as URB transfer_buffer. URB buffers need
to be DMA-able, which stack is not.

Patch is only compile tested.

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jussi Kivilinna 2013-08-06 14:28:42 +03:00 committed by Greg Kroah-Hartman
parent 0cbf39727e
commit b169395145
1 changed files with 3 additions and 1 deletions
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4
drivers/net/wireless/zd1201.c
View File

@ -98,10 +98,12 @@ static int zd1201_fw_upload(struct usb_device *dev, int apfw)
goto exit;
err = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), 0x4,
USB_DIR_IN | 0x40, 0,0, &ret, sizeof(ret), ZD1201_FW_TIMEOUT);
USB_DIR_IN | 0x40, 0, 0, buf, sizeof(ret), ZD1201_FW_TIMEOUT);
if (err < 0)
goto exit;
memcpy(&ret, buf, sizeof(ret));
if (ret & 0x80) {
err = -EIO;
goto exit;