usb: gadget: uvc: Use strlcpy instead of strncpy

For NULL terminated string, better notice '\0' in the end.

Signed-off-by: Chen Gang <gang.chen@asianux.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Tested-by: Bhupesh Sharma <bhupesh.sharma@st.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/drivers/usb/gadget/uvc_v4l2.c b/drivers/usb/gadget/uvc_v4l2.c
index 2bb5af8d2b23632f035951de136914d4dcdb04e6..a6c728ab6abae8c4286a7a3694962b06ef1a5aac 100644 (file)
--- a/drivers/usb/gadget/uvc_v4l2.c
+++ b/drivers/usb/gadget/uvc_v4l2.c
@@ -177,9 +177,9 @@ uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg)
                struct v4l2_capability *cap = arg;
 
                memset(cap, 0, sizeof *cap);
-               strncpy(cap->driver, "g_uvc", sizeof(cap->driver));
-               strncpy(cap->card, cdev->gadget->name, sizeof(cap->card));
-               strncpy(cap->bus_info, dev_name(&cdev->gadget->dev),
+               strlcpy(cap->driver, "g_uvc", sizeof(cap->driver));
+               strlcpy(cap->card, cdev->gadget->name, sizeof(cap->card));
+               strlcpy(cap->bus_info, dev_name(&cdev->gadget->dev),
                        sizeof cap->bus_info);
                cap->version = DRIVER_VERSION_NUMBER;
                cap->capabilities = V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_STREAMING;