Re: [PATCH 2/2] drm/radeon/uvd: Fix forgotten unmap buffer objects

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Am 29.01.22 um 08:35 schrieb zhanglianjie:
after the buffer object is successfully mapped, call radeon_bo_kunmap before the function returns.

Signed-off-by: zhanglianjie <zhanglianjie@xxxxxxxxxxxxx>

diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c b/drivers/gpu/drm/radeon/radeon_uvd.c
index 377f9cdb5b53..c5482f7793db 100644
--- a/drivers/gpu/drm/radeon/radeon_uvd.c
+++ b/drivers/gpu/drm/radeon/radeon_uvd.c
@@ -497,6 +497,7 @@ static int radeon_uvd_cs_msg(struct radeon_cs_parser *p, struct radeon_bo *bo,
  	handle = msg[2];

  	if (handle == 0) {
+		radeon_bo_kunmap(bo);
  		DRM_ERROR("Invalid UVD handle!\n");
  		return -EINVAL;
  	}
@@ -559,11 +560,10 @@ static int radeon_uvd_cs_msg(struct radeon_cs_parser *p, struct radeon_bo *bo,
  		return 0;

  	default:
-
  		DRM_ERROR("Illegal UVD message type (%d)!\n", msg_type);
-		return -EINVAL;
  	}

+	radeon_bo_kunmap(bo);
  	BUG();

That looks like it will trigger this BUG() now. Please also remove that line.

Apart from that the patches look good to me.

Regards,
Christian.

  	return -EINVAL;
  }
--
2.20.1







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