Fix the following sparse warning: drivers/dma-buf/heaps/system_heap.c:23:17: warning: symbol 'sys_heap' was not declared. Should it be static? sys_heap has only call within system_heap.c It should be static Reported-by: Hulk Robot <hulkci@xxxxxxxxxx> Signed-off-by: Zou Wei <zou_wei@xxxxxxxxxx> --- drivers/dma-buf/heaps/system_heap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/dma-buf/heaps/system_heap.c b/drivers/dma-buf/heaps/system_heap.c index 0bf688e..41502bf 100644 --- a/drivers/dma-buf/heaps/system_heap.c +++ b/drivers/dma-buf/heaps/system_heap.c @@ -20,7 +20,7 @@ #include "heap-helpers.h" -struct dma_heap *sys_heap; +static struct dma_heap *sys_heap; static void system_heap_free(struct heap_helper_buffer *buffer) { -- 2.6.2