The sparse tool complains as follows: drivers/dma-buf/dma-fence.c:249:25: warning: symbol 'dma_fence_lockdep_map' was not declared. Should it be static? This variable is not used outside of dma-fence.c, so this commit marks it static. Fixes: 5fbff813a4a3 ("dma-fence: basic lockdep annotations") Reported-by: Hulk Robot <hulkci@xxxxxxxxxx> Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx> --- drivers/dma-buf/dma-fence.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/dma-buf/dma-fence.c b/drivers/dma-buf/dma-fence.c index af1d8ea926b3..43624b4ee13d 100644 --- a/drivers/dma-buf/dma-fence.c +++ b/drivers/dma-buf/dma-fence.c @@ -246,7 +246,7 @@ EXPORT_SYMBOL(dma_fence_context_alloc); * concerned. */ #ifdef CONFIG_LOCKDEP -struct lockdep_map dma_fence_lockdep_map = { +static struct lockdep_map dma_fence_lockdep_map = { .name = "dma_fence_map" };