From: Dave Airlie <airlied@redhat.com>
Date: Mon, 14 Dec 2009 22:07:12 +0000 (+1000)
Subject: drm/ttm: fix incorrect logic in ttm_bo_io path
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=b8ff7357da45e025c446fe0479612215fe56a249;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

drm/ttm: fix incorrect logic in ttm_bo_io path

This path isn't used by radeon yet, but future drivers will want it,
so fix it right.

Reported-by: Luca Barbieri <luca@luca-barbieri.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---

diff --git a/drivers/gpu/drm/ttm/ttm_bo_vm.c b/drivers/gpu/drm/ttm/ttm_bo_vm.c
index 609a85a4d855..668dbe8b8dd3 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_vm.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_vm.c
@@ -320,7 +320,7 @@ ssize_t ttm_bo_io(struct ttm_bo_device *bdev, struct file *filp,
 		return -EFAULT;
 
 	driver = bo->bdev->driver;
-	if (unlikely(driver->verify_access)) {
+	if (unlikely(!driver->verify_access)) {
 		ret = -EPERM;
 		goto out_unref;
 	}