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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2016-07-15 14:15:47 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-10-07 15:23:42 +0200 |
| commit | b5f881a43e5986a60d81af8bdd9e7f470fdd95f9 (patch) | |
| tree | 7c5bf033632b42429ab87e16d09a4a2c5f91d541 /drivers/usb | |
| parent | f0006eda8e69571fcd8bd657d9c89f30e211e038 (diff) | |
| download | lwn-b5f881a43e5986a60d81af8bdd9e7f470fdd95f9.tar.gz lwn-b5f881a43e5986a60d81af8bdd9e7f470fdd95f9.zip | |
usb: gadget: fsl_qe_udc: signedness bug in qe_get_frame()
commit f4693b08cc901912a87369c46537b94ed4084ea0 upstream.
We can't assign -EINVAL to a u16.
Fixes: 3948f0e0c999 ('usb: add Freescale QE/CPM USB peripheral controller driver')
Acked-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/gadget/udc/fsl_qe_udc.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/usb/gadget/udc/fsl_qe_udc.c b/drivers/usb/gadget/udc/fsl_qe_udc.c index c73689b72f95..b38a33584d4a 100644 --- a/drivers/usb/gadget/udc/fsl_qe_udc.c +++ b/drivers/usb/gadget/udc/fsl_qe_udc.c @@ -1878,11 +1878,8 @@ static int qe_get_frame(struct usb_gadget *gadget) tmp = in_be16(&udc->usb_param->frame_n); if (tmp & 0x8000) - tmp = tmp & 0x07ff; - else - tmp = -EINVAL; - - return (int)tmp; + return tmp & 0x07ff; + return -EINVAL; } static int fsl_qe_start(struct usb_gadget *gadget, |