3.16.7-ckt3 -stable review patch.  If anyone has any objections, please let me 
know.

------------------

From: Sakari Ailus <[email protected]>

commit b31eb901c4e5eeef4c83c43dfbc7fe0d4348cb21 upstream.

Setting a non-settable selection target caused BUG() to be called. The check
for valid selections only takes the selection target into account, but does
not tell whether it may be set, or only get. Fix the issue by simply
returning an error to the user.

Signed-off-by: Sakari Ailus <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
Signed-off-by: Luis Henriques <[email protected]>
---
 drivers/media/i2c/smiapp/smiapp-core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/i2c/smiapp/smiapp-core.c 
b/drivers/media/i2c/smiapp/smiapp-core.c
index 06fb03291d59..698219a9e538 100644
--- a/drivers/media/i2c/smiapp/smiapp-core.c
+++ b/drivers/media/i2c/smiapp/smiapp-core.c
@@ -2138,7 +2138,7 @@ static int smiapp_set_selection(struct v4l2_subdev 
*subdev,
                ret = smiapp_set_compose(subdev, fh, sel);
                break;
        default:
-               BUG();
+               ret = -EINVAL;
        }
 
        mutex_unlock(&sensor->mutex);
-- 
2.1.3

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