diff options
| -rw-r--r-- | drivers/usb/core/config.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c index bfb3731d42d..2d4fd530e5e 100644 --- a/drivers/usb/core/config.c +++ b/drivers/usb/core/config.c @@ -185,10 +185,12 @@ static int usb_parse_interface(struct device *ddev, int cfgno, num_ep = USB_MAXENDPOINTS; } - len = sizeof(struct usb_host_endpoint) * num_ep; - alt->endpoint = kzalloc(len, GFP_KERNEL); - if (!alt->endpoint) - return -ENOMEM; + if (num_ep > 0) { /* Can't allocate 0 bytes */ + len = sizeof(struct usb_host_endpoint) * num_ep; + alt->endpoint = kzalloc(len, GFP_KERNEL); + if (!alt->endpoint) + return -ENOMEM; + } /* Parse all the endpoint descriptors */ n = 0; |