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authorAlex Shi <alex.shi@linaro.org>2016-05-05 13:36:03 +0800
committerAlex Shi <alex.shi@linaro.org>2016-05-05 13:36:03 +0800
commite91b1cc90283c1b9b75670b027a18afbd20fe070 (patch)
tree81c395406a3774775a183d544aee9c5ced1c31d6 /drivers/usb/misc/iowarrior.c
parentd83731cf53fd3af7173cab5e3f573d06ebc852be (diff)
parent0b3df30dcadcddc56aed56c3c2d2de2ca963e81d (diff)
Merge branch 'linux-linaro-lsk-v4.1' into linux-linaro-lsk-v4.1-rtlsk-v4.1-16.06-rtlsk-v4.1-16.05-rt
Diffstat (limited to 'drivers/usb/misc/iowarrior.c')
-rw-r--r--drivers/usb/misc/iowarrior.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c
index c6bfd13f6c92..1950e87b4219 100644
--- a/drivers/usb/misc/iowarrior.c
+++ b/drivers/usb/misc/iowarrior.c
@@ -787,6 +787,12 @@ static int iowarrior_probe(struct usb_interface *interface,
iface_desc = interface->cur_altsetting;
dev->product_id = le16_to_cpu(udev->descriptor.idProduct);
+ if (iface_desc->desc.bNumEndpoints < 1) {
+ dev_err(&interface->dev, "Invalid number of endpoints\n");
+ retval = -EINVAL;
+ goto error;
+ }
+
/* set up the endpoint information */
for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) {
endpoint = &iface_desc->endpoint[i].desc;