V4L/DVB(12993b): gl860: Prevent a potential risk of zeroing a floating pointer

drivers/media/video/gspca/gl860/gl860.c: In function ‘gl860_build_control_table’:
drivers/media/video/gspca/gl860/gl860.c:119: warning: ‘sd_ctrls’ may be used uninitialized in this function

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/media/video/gspca/gl860/gl860.c b/drivers/media/video/gspca/gl860/gl860.c
index 62f4320fd9d8..6ef59ac7f502 100644
--- a/drivers/media/video/gspca/gl860/gl860.c
+++ b/drivers/media/video/gspca/gl860/gl860.c
@@ -129,6 +129,8 @@ static int gl860_build_control_table(struct gspca_dev *gspca_dev)
                 sd_ctrls = sd_ctrls_ov2640;
         else if (_OV9655_)
                 sd_ctrls = sd_ctrls_ov9655;
+        else
+                return 0;
 
         memset(sd_ctrls, 0, GL860_NCTRLS * sizeof(struct ctrl));