The symbol is not used outside of the file, so mark it static. Fixes the following warning:
drivers/nvdimm/bus.c:28:14: warning: symbol 'nd_class' was not declared. Should it be static? Signed-off-by: ruanjinjie <ruanjin...@huawei.com> --- drivers/nvdimm/bus.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/nvdimm/bus.c b/drivers/nvdimm/bus.c index b38d0355b0ac..1bf5f77e6f76 100644 --- a/drivers/nvdimm/bus.c +++ b/drivers/nvdimm/bus.c @@ -25,7 +25,7 @@ int nvdimm_major; static int nvdimm_bus_major; -struct class *nd_class; +static struct class *nd_class; static DEFINE_IDA(nd_ida); static int to_nd_device_type(struct device *dev) -- 2.25.1
