drm/amdgpu: fix type mismatch error

remaining timeout returned by amdgpu_fence_wait_any can be larger than
max int value, thus the truncated 32 bit value in r ends up being
negative while its original long value is positive.

Signed-off-by: monk.liu <monk.liu@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Jammy Zhou <jammy.zhou@amd.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c
index c5b17262529d..d6398cf45f24 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c
@@ -318,6 +318,7 @@ int amdgpu_sa_bo_new(struct amdgpu_device *adev,
         struct amdgpu_fence *fences[AMDGPU_MAX_RINGS];
         unsigned tries[AMDGPU_MAX_RINGS];
         int i, r;
+        signed long t;
 
         BUG_ON(align > sa_manager->align);
         BUG_ON(size > sa_manager->size);
@@ -351,8 +352,8 @@ int amdgpu_sa_bo_new(struct amdgpu_device *adev,
                 } while (amdgpu_sa_bo_next_hole(sa_manager, fences, tries));
 
                 spin_unlock(&sa_manager->wq.lock);
-                r = amdgpu_fence_wait_any(adev, fences, false, MAX_SCHEDULE_TIMEOUT);
-                r = (r > 0) ? 0 : r;
+                t = amdgpu_fence_wait_any(adev, fences, false, MAX_SCHEDULE_TIMEOUT);
+                r = (t > 0) ? 0 : t;
                 spin_lock(&sa_manager->wq.lock);
                 /* if we have nothing to wait for block */
                 if (r == -ENOENT) {