Re: [PATCH] media: qcom: camss: clean up a check

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On 12/10/2023 10:42, Dan Carpenter wrote:
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;

Acked-by: Bryan O'Donoghue <bryan.odonoghue@xxxxxxxxxx>



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