[PATCH 2/4] drm/radeon: stop sending invalid UVD destroy msg

[Christian König]

From: Christian K?nig <christian.koe...@amd.com>

We also need to check the handle.

Signed-off-by: Christian K?nig <christian.koenig at amd.com>
Cc: stable at vger.kernel.org
---
 drivers/gpu/drm/radeon/radeon_uvd.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c 
b/drivers/gpu/drm/radeon/radeon_uvd.c
index ca0d735..4fec195 100644
--- a/drivers/gpu/drm/radeon/radeon_uvd.c
+++ b/drivers/gpu/drm/radeon/radeon_uvd.c
@@ -235,8 +235,8 @@ void radeon_uvd_free_handles(struct radeon_device *rdev, 
struct drm_file *filp)
 {
        int i, r;
        for (i = 0; i < RADEON_MAX_UVD_HANDLES; ++i) {
-               if (rdev->uvd.filp[i] == filp) {
-                       uint32_t handle = atomic_read(&rdev->uvd.handles[i]);
+               uint32_t handle = atomic_read(&rdev->uvd.handles[i]);
+               if (handle != 0 && rdev->uvd.filp[i] == filp) {
                        struct radeon_fence *fence;

                        r = radeon_uvd_get_destroy_msg(rdev,
-- 
1.7.9.5