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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2013-11-14 17:38:05 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2013-11-14 17:38:05 -0800
commit42249094f79422fbf5ed4b54eeb48ff096809b8f (patch)
tree91e6850c8c7e8cc284cf8bb6363f8662f84011f4 /drivers/usb/core/config.c
parent936816161978ca716a56c5e553c68f25972b1e3a (diff)
parent2c027b7c48a888ab173ba45babb4525e278375d9 (diff)
Merge branch 'next' into for-linus
Merge first round of changes for 3.13 merge window.
Diffstat (limited to 'drivers/usb/core/config.c')
-rw-r--r--drivers/usb/core/config.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c
index 7199adccf44..a6b2cabe793 100644
--- a/drivers/usb/core/config.c
+++ b/drivers/usb/core/config.c
@@ -424,7 +424,8 @@ static int usb_parse_configuration(struct usb_device *dev, int cfgidx,
memcpy(&config->desc, buffer, USB_DT_CONFIG_SIZE);
if (config->desc.bDescriptorType != USB_DT_CONFIG ||
- config->desc.bLength < USB_DT_CONFIG_SIZE) {
+ config->desc.bLength < USB_DT_CONFIG_SIZE ||
+ config->desc.bLength > size) {
dev_err(ddev, "invalid descriptor for config index %d: "
"type = 0x%X, length = %d\n", cfgidx,
config->desc.bDescriptorType, config->desc.bLength);