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| author | Alex Shi <alex.shi@linaro.org> | 2016-07-17 12:16:24 +0800 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2016-07-17 12:16:24 +0800 |
| commit | fe4c808f845e2ff3a3fb6c66009ab69c8d01bf57 (patch) | |
| tree | 82ce8b6476c1c4c84ab05a49c94317f1ce8ac1b7 /drivers/base/module.c | |
| parent | bbe8f0ee88a1eb4bb1e72e593b008faf387f30ac (diff) | |
| parent | 0ac0a856d986c1ab240753479f5e50fdfab82b14 (diff) | |
Merge tag 'v3.18.37' into linux-linaro-lsk-v3.18lsk-v3.18-16.07
This is the 3.18.37 stable release
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 db930d3ee312..2a215780eda2 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) |