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author | Trond Myklebust <trond.myklebust@primarydata.com> | 2016-07-24 12:51:10 -0400 |
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committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2016-07-24 12:51:10 -0400 |
commit | dc05973b288a5226bb7e56afd6c2fa07560a907c (patch) | |
tree | 2e1eade8b6010ff4c844341fdeec9ee966d75ac7 /drivers/base/module.c | |
parent | 297fae4d0bee5d683533f3324baf1b363e7b48bf (diff) | |
parent | e7bdea7750eb2a64aea4a08fa5c0a31719c8155d (diff) |
Merge commit 'e7bdea7750eb'
Needed in order to work on top of pNFS changes in Linus' upstream kernel.
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) |