Messages in this thread Patch in this message | | | From | ChenTao <> | Subject | [PATCH -next] drm/radeon: fix unsigned comparison with 0 | Date | Tue, 5 May 2020 12:57:37 +0800 |
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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 <hulkci@huawei.com> Signed-off-by: ChenTao <chentao107@huawei.com> --- 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 372962358a18..c5d1dc9618a4 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; } -- 2.22.0
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