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authorRodrigo Vivi <rodrigo.vivi@intel.com>2017-11-14 07:43:00 -0800
committerRodrigo Vivi <rodrigo.vivi@intel.com>2017-11-14 07:43:00 -0800
commit176d5325d1a7d088e96cfef898fa7d3a622a6903 (patch)
treef12c24b72202e032114aef576f53deac9f595646 /drivers/usb/core/message.c
parent70a84f3c6075031dbf004a1610ca2471f4c528aa (diff)
parentf150891fd9878ef0d9197c4e8451ce67c3bdd014 (diff)
Merge airlied/drm-next into drm-intel-next-queued
Catchup with upstream. Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'drivers/usb/core/message.c')
-rw-r--r--drivers/usb/core/message.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
index 4c38ea41ae96..371a07d874a3 100644
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -2069,6 +2069,10 @@ int cdc_parse_cdc_header(struct usb_cdc_parsed_header *hdr,
elength = 1;
goto next_desc;
}
+ if ((buflen < elength) || (elength < 3)) {
+ dev_err(&intf->dev, "invalid descriptor buffer length\n");
+ break;
+ }
if (buffer[1] != USB_DT_CS_INTERFACE) {
dev_err(&intf->dev, "skipping garbage\n");
goto next_desc;