diff options
| -rw-r--r-- | drivers/base/regmap/regmap-debugfs.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c index 9099cd33fbc..720e1424816 100644 --- a/drivers/base/regmap/regmap-debugfs.c +++ b/drivers/base/regmap/regmap-debugfs.c @@ -116,6 +116,16 @@ static unsigned int regmap_debugfs_get_dump_start(struct regmap *map, } } + /* + * This should never happen; we return above if we fail to + * allocate and we should never be in this code if there are + * no registers at all. + */ + if (list_empty(&map->debugfs_off_cache)) { + WARN_ON(list_empty(&map->debugfs_off_cache)); + return base; + } + /* Find the relevant block */ list_for_each_entry(c, &map->debugfs_off_cache, list) { if (from >= c->min && from <= c->max) { |