regmap: debugfs: Don't leak dummy names

When allocating dummy names we need to store a pointer to the string we
allocate so that we don't leak it on free.

Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c
index e3e7b91..dd3a168 100644 (file)
--- a/drivers/base/regmap/regmap-debugfs.c
+++ b/drivers/base/regmap/regmap-debugfs.c
@@ -575,7 +575,9 @@ void regmap_debugfs_init(struct regmap *map, const char *name)
        }
 
        if (!strcmp(name, "dummy")) {
-               name = kasprintf(GFP_KERNEL, "dummy%d", dummy_index);
+               map->debugfs_name = kasprintf(GFP_KERNEL, "dummy%d",
+                                               dummy_index);
+               name = map->debugfs_name;
                dummy_index++;
        }