From: Aishwarya Pant <aishpant@gmail.com>
Date: Wed, 11 Oct 2017 00:12:07 +0530
Subject: drm/msm/mdp5: remove less than 0 comparison for unsigned value
Git-commit: 0c17151aaae4f051ebdccde412e912631e450345
Patch-mainline: v4.15-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

pipe is an unsigned int and less than zero comparison for unsigned
values is always false.

Detected using the following cocci script:

@@
unsigned int i;
@@
* i < 0

Signed-off-by: Aishwarya Pant <aishpant@gmail.com>
Reviewed-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20171010184207.iv3dinrtwvbv7fei@aishwarya

Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c
+++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c
@@ -599,7 +599,7 @@ static u32 mdp5_get_vblank_counter(struc
 	struct drm_crtc *crtc;
 	struct drm_encoder *encoder;
 
-	if (pipe < 0 || pipe >= priv->num_crtcs)
+	if (pipe >= priv->num_crtcs)
 		return 0;
 
 	crtc = priv->crtcs[pipe];