diff options
Diffstat (limited to 'drivers/w1')
| -rw-r--r-- | drivers/w1/w1.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c index 0781217d2396..fa932c2f7d97 100644 --- a/drivers/w1/w1.c +++ b/drivers/w1/w1.c @@ -716,7 +716,10 @@ static int w1_attach_slave_device(struct w1_master *dev, struct w1_reg_num *rn) atomic_set(&sl->refcnt, 0); init_completion(&sl->released); + /* slave modules need to be loaded in a context with unlocked mutex */ + mutex_unlock(&dev->mutex); request_module("w1-family-0x%0x", rn->family); + mutex_lock(&dev->mutex); spin_lock(&w1_flock); f = w1_family_registered(rn->family); |