Fix gcc empty-body warning when -Wextra is used:
../drivers/dax/bus.c:93:27: warning: suggest braces around empty body in an ‘else’ statement [-Wempty-body] ../drivers/dax/bus.c:98:29: warning: suggest braces around empty body in an ‘else’ statement [-Wempty-body]
Signed-off-by: Randy Dunlap rdunlap@infradead.org Cc: Dan Williams dan.j.williams@intel.com Cc: Vishal Verma vishal.l.verma@intel.com Cc: Dave Jiang dave.jiang@intel.com Cc: linux-nvdimm@lists.01.org Cc: Linus Torvalds torvalds@linux-foundation.org Cc: Andrew Morton akpm@linux-foundation.org --- drivers/dax/bus.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
--- linux-next-20200417.orig/drivers/dax/bus.c +++ linux-next-20200417/drivers/dax/bus.c @@ -2,6 +2,7 @@ /* Copyright(c) 2017-2018 Intel Corporation. All rights reserved. */ #include <linux/memremap.h> #include <linux/device.h> +#include <linux/kernel.h> #include <linux/mutex.h> #include <linux/list.h> #include <linux/slab.h> @@ -90,12 +91,12 @@ static ssize_t do_id_store(struct device } else rc = -ENOMEM; } else - /* nothing to remove */; + do_empty(); /* nothing to remove */ } else if (action == ID_REMOVE) { list_del(&dax_id->list); kfree(dax_id); } else - /* dax_id already added */; + do_empty(); /* dax_id already added */ mutex_unlock(&dax_bus_lock);
if (rc < 0)