Since (min_row_time - crop->width) can be negative, we have to do a signed comparison here. Otherwise max_t casts the negative value to unsigned int and sets min_hblank to that invalid value. Signed-off-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> --- Changes since v1: - Remove now unneeded casts to (int). --- drivers/media/i2c/mt9v032.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/media/i2c/mt9v032.c b/drivers/media/i2c/mt9v032.c index 40172b8..f04d0bb 100644 --- a/drivers/media/i2c/mt9v032.c +++ b/drivers/media/i2c/mt9v032.c @@ -305,8 +305,8 @@ mt9v032_update_hblank(struct mt9v032 *mt9v032) if (mt9v032->version->version == MT9V034_CHIP_ID_REV1) min_hblank += (mt9v032->hratio - 1) * 10; - min_hblank = max_t(unsigned int, (int)mt9v032->model->data->min_row_time - crop->width, - (int)min_hblank); + min_hblank = max_t(int, mt9v032->model->data->min_row_time - crop->width, + min_hblank); hblank = max_t(unsigned int, mt9v032->hblank, min_hblank); return mt9v032_write(client, MT9V032_HORIZONTAL_BLANKING, hblank); -- 2.0.0.rc2 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
