From a80ca4341a57f1346d99e45d7055ce76b24b4de3 Mon Sep 17 00:00:00 2001
From: Robert Noland <rnoland@FreeBSD.org>
Date: Fri, 20 Mar 2009 18:35:16 +0000
Subject: [PATCH] vm_offset_t is unsigned, so compare of >= 0 is not needed.

Found with:	Coverity Prevent(tm)
CID:		2259

MFC after:	3 days
---
 sys/dev/drm/drm_vm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/dev/drm/drm_vm.c b/sys/dev/drm/drm_vm.c
index e2a53380728f..7d5cd8d9963d 100644
--- a/sys/dev/drm/drm_vm.c
+++ b/sys/dev/drm/drm_vm.c
@@ -54,7 +54,7 @@ int drm_mmap(struct cdev *kdev, vm_offset_t offset, vm_paddr_t *paddr,
 	if (file_priv && !file_priv->authenticated)
 		return EACCES;
 
-	if (dev->dma && offset >= 0 && offset < ptoa(dev->dma->page_count)) {
+	if (dev->dma && offset < ptoa(dev->dma->page_count)) {
 		drm_device_dma_t *dma = dev->dma;
 
 		DRM_SPINLOCK(&dev->dma_lock);