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| author | Lin Yi <teroincn@163.com> | 2019-06-03 16:08:10 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-06-19 19:27:39 +0200 |
| commit | 122f8ec7b78e2d0f2dc6c966bef96b47c955ca36 (patch) | |
| tree | 43ff22835eb5fbe2d3d137f2d117eb00a7c00928 | |
| parent | 5666d896e838c974c535b3949353c83d68ce4384 (diff) | |
| download | linux-stable-122f8ec7b78e2d0f2dc6c966bef96b47c955ca36.tar.gz linux-stable-122f8ec7b78e2d0f2dc6c966bef96b47c955ca36.tar.bz2 linux-stable-122f8ec7b78e2d0f2dc6c966bef96b47c955ca36.zip | |
lib : kobject: fix refcount imblance on kobject_rename
the kobj refcount increased by kobject_get should be released before
error return, otherwise lead to a memory leak.
Signed-off-by: Lin Yi <teroincn@163.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | lib/kobject.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/kobject.c b/lib/kobject.c index f2ccdbac8ed9..83198cb37d8d 100644 --- a/lib/kobject.c +++ b/lib/kobject.c @@ -498,8 +498,10 @@ int kobject_rename(struct kobject *kobj, const char *new_name) kobj = kobject_get(kobj); if (!kobj) return -EINVAL; - if (!kobj->parent) + if (!kobj->parent) { + kobject_put(kobj); return -EINVAL; + } devpath = kobject_get_path(kobj, GFP_KERNEL); if (!devpath) { |