The kunit test triggers this stack trace deliberately. The drm_rect_scale_cases[] test cases include a negative src and a negative dst. This ends up spamming the logs and can obscure real warnings. Just print the warning once. Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx> Closes: https://lore.kernel.org/all/CA+G9fYuA643RHHpPnz9Ww7rr3zV5a0y=7_uFcybBSL=QP_sQvQ@xxxxxxxxxxxxxx/ Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> --- drivers/gpu/drm/drm_rect.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/drm_rect.c b/drivers/gpu/drm/drm_rect.c index 85c79a38c13a..a992d70b928b 100644 --- a/drivers/gpu/drm/drm_rect.c +++ b/drivers/gpu/drm/drm_rect.c @@ -135,7 +135,7 @@ static int drm_calc_scale(int src, int dst) { int scale = 0; - if (WARN_ON(src < 0 || dst < 0)) + if (WARN_ON_ONCE(src < 0 || dst < 0)) return -EINVAL; if (dst == 0) -- 2.42.0
