[PATCH] drm:amd:amdgpu: Fix missing bo unlock in failure path

From: Sukrut Bellary
Date: Mon Apr 24 2023 - 02:01:18 EST


smatch warning - inconsistent handling of buffer object reserve
and unreserve.

Signed-off-by: Sukrut Bellary <sukrut.bellary@xxxxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 278416acf060..5de44d7e92de 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -4686,8 +4686,10 @@ static int gfx_v8_0_kiq_resume(struct amdgpu_device *adev)
return r;

r = amdgpu_bo_kmap(ring->mqd_obj, &ring->mqd_ptr);
- if (unlikely(r != 0))
+ if (unlikely(r != 0)) {
+ amdgpu_bo_unreserve(ring->mqd_obj);
return r;
+ }

gfx_v8_0_kiq_init_queue(ring);
amdgpu_bo_kunmap(ring->mqd_obj);
--
2.34.1