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authorDan Carpenter <dan.carpenter@oracle.com>2016-07-15 14:15:47 +0300
committerFelipe Balbi <felipe.balbi@linux.intel.com>2016-08-22 10:45:12 +0300
commitf4693b08cc901912a87369c46537b94ed4084ea0 (patch)
treeabb1fb8d5e66caf9ec67ab08d774fa78d0ad72ef /drivers/usb
parent80d1642d7640ef00d8823f17a529785331aceb96 (diff)
downloadlinux-f4693b08cc901912a87369c46537b94ed4084ea0.tar.xz
usb: gadget: fsl_qe_udc: signedness bug in qe_get_frame()
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>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/gadget/udc/fsl_qe_udc.c7
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 cf8819a5c5b2..8bb011ea78f7 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,