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usb: dwc3: use proper function for setting endpoint name

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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>
This commit is contained in:
Anton Tikhomirov 2012-02-23 15:38:46 +09:00 committed by Felipe Balbi
parent 8d62cd65d7
commit 27a78d6a28
1 changed files with 4 additions and 4 deletions
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8
drivers/usb/dwc3/gadget.c
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@ -643,16 +643,16 @@ static int dwc3_gadget_ep_enable(struct usb_ep *ep,
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");