1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index a941dcfe7590..d0c81d1f409c 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -1717,7 +1717,7 @@ int regmap_async_complete(struct regmap *map)
         int ret;
 
         /* Nothing to do with no async support */
-        if (!map->bus->async_write)
+        if (!map->bus || !map->bus->async_write)
                 return 0;
 
         trace_regmap_async_complete_start(map->dev);