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    Subject[PATCH 4.9 22/32] drm/vmwgfx: Fix a buffer object leak
    Date
    4.9-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Thomas Hellstrom <thellstrom@vmware.com>

    commit 13f149d47392782baafd96d54d4e65f3b5ca342f upstream.

    A buffer object leak was introduced when fixing a premature buffer
    object release. Fix this.

    Cc: <stable@vger.kernel.org>
    Fixes: 73a88250b709 ("Fix a destoy-while-held mutex problem.")
    Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
    Reviewed-by: Deepak Rawat <drawat@vmware.com>
    Reviewed-by: Sinclair Yeh <syeh@vmware.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 1 +
    1 file changed, 1 insertion(+)

    --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
    +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
    @@ -2014,6 +2014,7 @@ void vmw_kms_helper_resource_finish(stru
    vmw_kms_helper_buffer_finish(res->dev_priv, NULL, ctx->buf,
    out_fence, NULL);

    + vmw_dmabuf_unreference(&ctx->buf);
    vmw_resource_unreserve(res, false, NULL, 0);
    mutex_unlock(&res->dev_priv->cmdbuf_mutex);
    }

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