media: qcom: don't go past the array
As reported by smatch:
drivers/media/platform/qcom/camss-8x16/camss-vfe.c:1136 vfe_release_wm() error: buffer overflow 'vfe->wm_output_map' 7 <= 7
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
diff --git a/drivers/media/platform/qcom/camss-8x16/camss-vfe.c b/drivers/media/platform/qcom/camss-8x16/camss-vfe.c
index 94d635e..b21b3c2 100644
--- a/drivers/media/platform/qcom/camss-8x16/camss-vfe.c
+++ b/drivers/media/platform/qcom/camss-8x16/camss-vfe.c
@@ -1130,7 +1130,7 @@ static int vfe_reserve_wm(struct vfe_device *vfe, enum vfe_line_id line_id)
static int vfe_release_wm(struct vfe_device *vfe, u8 wm)
{
- if (wm > ARRAY_SIZE(vfe->wm_output_map))
+ if (wm >= ARRAY_SIZE(vfe->wm_output_map))
return -EINVAL;
vfe->wm_output_map[wm] = VFE_LINE_NONE;