[PATCH] [media] staging: atomisp: fix bounds checking in mt9m114_s_exposure_selection()

[Dan Carpenter]

These clamp_t() calls are no-ops because we don't save the results.  It
leads to an array out of bounds bug.

Fixes: a49d25364dfb ("staging/atomisp: Add support for the Intel IPU v2")
Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>

diff --git a/drivers/staging/media/atomisp/i2c/mt9m114.c 
b/drivers/staging/media/atomisp/i2c/mt9m114.c
index 448e072ca037..7816bc428641 100644
--- a/drivers/staging/media/atomisp/i2c/mt9m114.c
+++ b/drivers/staging/media/atomisp/i2c/mt9m114.c
@@ -1209,10 +1209,10 @@ static int mt9m114_s_exposure_selection(struct 
v4l2_subdev *sd,
                return -EINVAL;
        }
 
-       clamp_t(int, win_left, 0, 4);
-       clamp_t(int, win_top, 0, 4);
-       clamp_t(int, win_right, 0, 4);
-       clamp_t(int, win_bottom, 0, 4);
+       win_left   = clamp_t(int, win_left, 0, 4);
+       win_top    = clamp_t(int, win_top, 0, 4);
+       win_right  = clamp_t(int, win_right, 0, 4);
+       win_bottom = clamp_t(int, win_bottom, 0, 4);
 
        ret = mt9m114_write_reg_array(client, mt9m114_exp_average, NO_POLLING);
        if (ret) {