Messages in this thread Patch in this message | | | Date | Wed, 11 Sep 2013 00:30:45 -0400 | From | Steven Rostedt <> | Subject | [218/251] zd1201: do not use stack as URB transfer_buffer |
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3.6.11.9-rc1 stable review patch. If anyone has any objections, please let me know.
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From: Jussi Kivilinna <jussi.kivilinna@iki.fi>
[ Upstream commit 1206ff4ff9d2ef7468a355328bc58ac6ebf5be44 ]
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.
Cc: stable@vger.kernel.org Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org> --- drivers/net/wireless/zd1201.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/zd1201.c b/drivers/net/wireless/zd1201.c index 48273dd..4312eca 100644 --- a/drivers/net/wireless/zd1201.c +++ b/drivers/net/wireless/zd1201.c @@ -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; -- 1.7.10.4
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