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[LTS 9.2-RT] media: uvcvideo: Skip parsing frames of type UVC_VS_UNDEFINED in uvc_… #129

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Feb 14, 2025
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[LTS 9.2-RT] media: uvcvideo: Skip parsing frames of type UVC_VS_UNDEFINED in uvc_… #129

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2 changes: 1 addition & 1 deletion drivers/media/usb/uvc/uvc_driver.c
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Original file line number Diff line number Diff line change
Expand Up @@ -672,7 +672,7 @@ static int uvc_parse_format(struct uvc_device *dev,
* Parse the frame descriptors. Only uncompressed, MJPEG and frame
* based formats have frame descriptors.
*/
while (buflen > 2 && buffer[1] == USB_DT_CS_INTERFACE &&
while (ftype && buflen > 2 && buffer[1] == USB_DT_CS_INTERFACE &&
buffer[2] == ftype) {
frame = &format->frame[format->nframes];
if (ftype != UVC_VS_FRAME_FRAME_BASED)
Expand Down