diff options
| author | Ingo Molnar <mingo@kernel.org> | 2016-07-07 08:35:28 (GMT) |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-07-07 08:35:28 (GMT) |
| commit | 4b4b20852d1009c5e8bc357b22353b62e3a241c7 (patch) | |
| tree | 1026418471fe10c5b9f2fdff8a6b49bf070938fc /drivers/base/module.c | |
| parent | 5130213721d01b6632c255d4295a8102cbb58379 (diff) | |
| parent | f00c0afdfa625165a609513bc74164d56752ec3e (diff) | |
| download | linux-4b4b20852d1009c5e8bc357b22353b62e3a241c7.tar.xz | |
Merge branch 'timers/fast-wheel' into timers/core
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 db930d3..2a21578 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) |