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Merge remote-tracking branches 'spi/fix/ep93xx', 'spi/fix/rockchip', 'spi/fix/sunxi...
[cascardo/linux.git]
/
drivers
/
base
/
module.c
diff --git
a/drivers/base/module.c
b/drivers/base/module.c
index
db930d3
..
2a21578
100644
(file)
--- 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)
{
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)
}
void module_add_driver(struct module *mod, struct device_driver *drv)