V4L/DVB (9991): gspca - main: Check if a buffer has been queued on streamon.
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c
index 66f60e3..edb6670 100644
--- a/drivers/media/video/gspca/gspca.c
+++ b/drivers/media/video/gspca/gspca.c
@@ -1226,7 +1226,8 @@
ret = -ENODEV;
goto out;
}
- if (gspca_dev->nframes == 0) {
+ if (gspca_dev->nframes == 0
+ || !(gspca_dev->frame[0].v4l2_buf.flags & V4L2_BUF_FLAG_QUEUED)) {
ret = -EINVAL;
goto out;
}