diff options
| author | Jan Engelmohr <jan.engelmohr@mailbox.tu-dresden.de> | 2016-09-04 16:45:09 +0200 |
|---|---|---|
| committer | Moyster <oysterized@gmail.com> | 2016-09-10 00:45:11 +0200 |
| commit | 0a1e8e11acd3cc36b1d65023ce1cb1a06a887b11 (patch) | |
| tree | bd92a01ee850567d86074cca3fb6c928c960fe39 /drivers/base/module.c | |
| parent | ade0200dcde3ad70876875392b6bc156155b9b75 (diff) | |
3.10.102-> 3.10.103
Diffstat (limited to 'drivers/base/module.c')
| -rw-r--r-- | drivers/base/module.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/base/module.c b/drivers/base/module.c index db930d3ee..2a215780e 100644 --- a/drivers/base/module.c +++ b/drivers/base/module.c @@ -24,10 +24,12 @@ static char *make_driver_name(struct device_driver *drv) static void module_create_drivers_dir(struct module_kobject *mk) { - if (!mk || mk->drivers_dir) - return; + static DEFINE_MUTEX(drivers_dir_mutex); - mk->drivers_dir = kobject_create_and_add("drivers", &mk->kobj); + mutex_lock(&drivers_dir_mutex); + if (mk && !mk->drivers_dir) + mk->drivers_dir = kobject_create_and_add("drivers", &mk->kobj); + mutex_unlock(&drivers_dir_mutex); } void module_add_driver(struct module *mod, struct device_driver *drv) |