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| author |   Jens Axboe <axboe@fb.com> | 2014-11-18 19:43:46 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2014-11-18 19:43:46 -0700 |
| commit | b3521729769ec71567a2e32a38609f87e781e41b (patch) | |
| tree | 66a8494968706420c3eb043caa5868702d440d18 /drivers/base/core.c | |
| parent | NVMe: enable IO stats by default (diff) | |
| parent | Linux 3.18-rc5 (diff) | |
| download | linux-dev-b3521729769ec71567a2e32a38609f87e781e41b.tar.xz linux-dev-b3521729769ec71567a2e32a38609f87e781e41b.zip | |
Merge branch 'master' into for-3.19/drivers
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) |