From 1ebc3c25c12f0681f9c5ed9039f69545107908dd Mon Sep 17 00:00:00 2001 From: ChenTao Date: Tue, 5 May 2020 12:57:37 +0800 Subject: [PATCH] drm/radeon: fix unsigned comparison with 0 Fixes warning because pipe is unsigned long and can never be negtative vers/gpu/drm/radeon/radeon_kms.c:831:11: warning: comparison of unsigned expression < 0 is always false [-Wtype-limits] if (pipe < 0 || pipe >= rdev->num_crtc) { drivers/gpu/drm/radeon/radeon_kms.c:857:11: warning: comparison of unsigned expression < 0 is always false [-Wtype-limits] if (pipe < 0 || pipe >= rdev->num_crtc) { Reported-by: Hulk Robot Signed-off-by: ChenTao Signed-off-by: Alex Deucher --- drivers/gpu/drm/radeon/radeon_kms.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c index 58176db85952c..95006cbf42c31 100644 --- a/drivers/gpu/drm/radeon/radeon_kms.c +++ b/drivers/gpu/drm/radeon/radeon_kms.c @@ -828,7 +828,7 @@ int radeon_enable_vblank_kms(struct drm_crtc *crtc) unsigned long irqflags; int r; - if (pipe < 0 || pipe >= rdev->num_crtc) { + if (pipe >= rdev->num_crtc) { DRM_ERROR("Invalid crtc %d\n", pipe); return -EINVAL; } @@ -854,7 +854,7 @@ void radeon_disable_vblank_kms(struct drm_crtc *crtc) struct radeon_device *rdev = dev->dev_private; unsigned long irqflags; - if (pipe < 0 || pipe >= rdev->num_crtc) { + if (pipe >= rdev->num_crtc) { DRM_ERROR("Invalid crtc %d\n", pipe); return; } -- 2.39.5