Sparse is not happy about max_segment declaration: CHECK kernel/dma/swiotlb.c kernel/dma/swiotlb.c:96:14: warning: symbol 'max_segment' was not declared. Should it be static? Mark it static as suggested. Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> --- kernel/dma/swiotlb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c index 676ccf0e49d3..5afbc50621fe 100644 --- a/kernel/dma/swiotlb.c +++ b/kernel/dma/swiotlb.c @@ -93,7 +93,7 @@ static unsigned int io_tlb_index; * Max segment that we can provide which (if pages are contingous) will * not be bounced (unless SWIOTLB_FORCE is set). */ -unsigned int max_segment; +static unsigned int max_segment; /* * We need to save away the original address corresponding to a mapped entry -- 2.28.0
