V4L/DVB (10378): gspca - main: Avoid error on set interface on disconnection.

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 db22e3c24764a4fa64ab88b8e244429651160cc3..0680602316306a2f53f7d672744598c50032ee19 100644 (file)
--- a/drivers/media/video/gspca/gspca.c
+++ b/drivers/media/video/gspca/gspca.c
@@ -666,7 +666,8 @@ static void gspca_stream_off(struct gspca_dev *gspca_dev)
            && gspca_dev->sd_desc->stopN)
                gspca_dev->sd_desc->stopN(gspca_dev);
        destroy_urbs(gspca_dev);
-       gspca_set_alt0(gspca_dev);
+       if (gspca_dev->present)
+               gspca_set_alt0(gspca_dev);
        if (gspca_dev->sd_desc->stop0)
                gspca_dev->sd_desc->stop0(gspca_dev);
        PDEBUG(D_STREAM, "stream off OK");