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-rw-r--r--mm/shrinker_debug.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/mm/shrinker_debug.c b/mm/shrinker_debug.c
index 794bd433cce0..20eaee3e97f7 100644
--- a/mm/shrinker_debug.c
+++ b/mm/shrinker_debug.c
@@ -214,10 +214,14 @@ int shrinker_debugfs_rename(struct shrinker *shrinker, const char *fmt, ...)
ret = debugfs_change_name(shrinker->debugfs_entry, "%s-%d",
shrinker->name, shrinker->debugfs_id);
+ if (ret) {
+ shrinker->name = old;
+ kfree_const(new);
+ } else {
+ kfree_const(old);
+ }
mutex_unlock(&shrinker_mutex);
- kfree_const(old);
-
return ret;
}
EXPORT_SYMBOL(shrinker_debugfs_rename);