usb: dwc3: use proper function for setting endpoint name
It's wrong to use the size of array as an argument for strncat.
Memory corruption is possible. strlcat is exactly what we need here.
Cc: stable@vger.kernel.org
Signed-off-by: Anton Tikhomirov <av.tikhomirov@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 48b2d0d..60b75c3 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -643,16 +643,16 @@
switch (usb_endpoint_type(desc)) {
case USB_ENDPOINT_XFER_CONTROL:
- strncat(dep->name, "-control", sizeof(dep->name));
+ strlcat(dep->name, "-control", sizeof(dep->name));
break;
case USB_ENDPOINT_XFER_ISOC:
- strncat(dep->name, "-isoc", sizeof(dep->name));
+ strlcat(dep->name, "-isoc", sizeof(dep->name));
break;
case USB_ENDPOINT_XFER_BULK:
- strncat(dep->name, "-bulk", sizeof(dep->name));
+ strlcat(dep->name, "-bulk", sizeof(dep->name));
break;
case USB_ENDPOINT_XFER_INT:
- strncat(dep->name, "-int", sizeof(dep->name));
+ strlcat(dep->name, "-int", sizeof(dep->name));
break;
default:
dev_err(dwc->dev, "invalid endpoint transfer type\n");