Imagine that "->vfe_num" is zero, then the subtraction will underflow to UINT_MAX. Plus it's just cleaner to use >= instead. Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> --- drivers/media/platform/qcom/camss/camss-ispif.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/platform/qcom/camss/camss-ispif.c b/drivers/media/platform/qcom/camss/camss-ispif.c index be9d2f0a10c1..ddfe94377ee5 100644 --- a/drivers/media/platform/qcom/camss/camss-ispif.c +++ b/drivers/media/platform/qcom/camss/camss-ispif.c @@ -270,7 +270,7 @@ static int ispif_vfe_reset(struct ispif_device *ispif, u8 vfe_id) unsigned long time; u32 val; - if (vfe_id > camss->res->vfe_num - 1) { + if (vfe_id >= camss->res->vfe_num) { dev_err(camss->dev, "Error: asked reset for invalid VFE%d\n", vfe_id); return -ENOENT; -- 2.39.2