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>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c
index e3e7b91cc421..dd3a16894e3c 100644
--- 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++;
         }