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-rw-r--r--drivers/media/video/uvc/uvc_driver.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/media/video/uvc/uvc_driver.c b/drivers/media/video/uvc/uvc_driver.c
index 60ced589f89..86bb16d0017 100644
--- a/drivers/media/video/uvc/uvc_driver.c
+++ b/drivers/media/video/uvc/uvc_driver.c
@@ -298,7 +298,8 @@ static int uvc_parse_format(struct uvc_device *dev,
switch (buffer[2]) {
case VS_FORMAT_UNCOMPRESSED:
case VS_FORMAT_FRAME_BASED:
- if (buflen < 27) {
+ n = buffer[2] == VS_FORMAT_UNCOMPRESSED ? 27 : 28;
+ if (buflen < n) {
uvc_trace(UVC_TRACE_DESCR, "device %d videostreaming"
"interface %d FORMAT error\n",
dev->udev->devnum,