diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2014-12-08 20:39:29 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2014-12-08 20:39:29 -0500 |
| commit | ba00410b8131b23edfb0e09f8b6dd26c8eb621fb (patch) | |
| tree | c08504e4d2fa51ac91cef544f336d0169806c49f /drivers/base/core.c | |
| parent | 8ce74dd6057832618957fc2cbd38fa959c3a0a6c (diff) | |
| parent | aa583096d9767892983332e7c1a984bd17e3cd39 (diff) | |
Merge branch 'iov_iter' into for-next
Diffstat (limited to 'drivers/base/core.c')
| -rw-r--r-- | drivers/base/core.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/base/core.c b/drivers/base/core.c index 14d162952c3b..842d04707de6 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -724,12 +724,12 @@ class_dir_create_and_add(struct class *class, struct kobject *parent_kobj) return &dir->kobj; } +static DEFINE_MUTEX(gdp_mutex); static struct kobject *get_device_parent(struct device *dev, struct device *parent) { if (dev->class) { - static DEFINE_MUTEX(gdp_mutex); struct kobject *kobj = NULL; struct kobject *parent_kobj; struct kobject *k; @@ -793,7 +793,9 @@ static void cleanup_glue_dir(struct device *dev, struct kobject *glue_dir) glue_dir->kset != &dev->class->p->glue_dirs) return; + mutex_lock(&gdp_mutex); kobject_put(glue_dir); + mutex_unlock(&gdp_mutex); } static void cleanup_device_parent(struct device *dev) |