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| author | Jussi Kivilinna <jussi.kivilinna@iki.fi> | 2013-08-06 14:28:42 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-08-29 09:42:12 -0700 |
| commit | 50e27a160f6146de036e81420dc13ec9f4824564 (patch) | |
| tree | ee4d7b7fbd35dfd7d863277031ae79908caab187 /drivers | |
| parent | 77a83f016ce93273734ae6a732737c0d700e8113 (diff) | |
| download | kernel_samsung_smdk4412-50e27a160f6146de036e81420dc13ec9f4824564.zip kernel_samsung_smdk4412-50e27a160f6146de036e81420dc13ec9f4824564.tar.gz kernel_samsung_smdk4412-50e27a160f6146de036e81420dc13ec9f4824564.tar.bz2 | |
zd1201: do not use stack as URB transfer_buffer
commit 1206ff4ff9d2ef7468a355328bc58ac6ebf5be44 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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/zd1201.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/wireless/zd1201.c b/drivers/net/wireless/zd1201.c index 415eec4..af792a4 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; |