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authorDan Williams <dan.j.williams@intel.com>2017-04-12 21:59:01 -0700
committerDan Williams <dan.j.williams@intel.com>2017-04-12 21:59:01 -0700
commitbfca9acf1a5df0ff98fbf47e363adb48612bb7ec (patch)
treea50287c88fdc60a73912d205d7bce41b7af53827 /drivers/usb/misc/idmouse.c
parent92a3fa075d3d2716b9c662814540f1d660cbf2f5 (diff)
parent11e63f6d920d6f2dfd3cd421e939a4aec9a58dcd (diff)
Merge branch 'for-4.11/libnvdimm' into for-4.12/dax
Diffstat (limited to 'drivers/usb/misc/idmouse.c')
-rw-r--r--drivers/usb/misc/idmouse.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/usb/misc/idmouse.c b/drivers/usb/misc/idmouse.c
index 8b9fd7534f69..502bfe30a077 100644
--- a/drivers/usb/misc/idmouse.c
+++ b/drivers/usb/misc/idmouse.c
@@ -347,6 +347,9 @@ static int idmouse_probe(struct usb_interface *interface,
if (iface_desc->desc.bInterfaceClass != 0x0A)
return -ENODEV;
+ if (iface_desc->desc.bNumEndpoints < 1)
+ return -ENODEV;
+
/* allocate memory for our device state and initialize it */
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (dev == NULL)