X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Fdrivers%2Finput%2Fmisc%2Fpowermate.c;h=84909a12ff36c231e7bcfc545bc2ce180c6cd26f;hb=52f993b8e89487ec9ee15a7fb4979e0f09a45b27;hp=63b539d3dabae13ce7d1cb12fe19322f655043fd;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git

diff --git a/kernel/drivers/input/misc/powermate.c b/kernel/drivers/input/misc/powermate.c
index 63b539d3d..84909a12f 100644
--- a/kernel/drivers/input/misc/powermate.c
+++ b/kernel/drivers/input/misc/powermate.c
@@ -307,6 +307,9 @@ static int powermate_probe(struct usb_interface *intf, const struct usb_device_i
 	int error = -ENOMEM;
 
 	interface = intf->cur_altsetting;
+	if (interface->desc.bNumEndpoints < 1)
+		return -EINVAL;
+
 	endpoint = &interface->endpoint[0].desc;
 	if (!usb_endpoint_is_int_in(endpoint))
 		return -EIO;