diff options
Diffstat (limited to 'drivers/w1')
| -rw-r--r-- | drivers/w1/w1.c | 2 | ||||
| -rw-r--r-- | drivers/w1/w1_int.c | 4 |
2 files changed, 6 insertions, 0 deletions
diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c index ff52618cafbe..5d7341520544 100644 --- a/drivers/w1/w1.c +++ b/drivers/w1/w1.c @@ -1078,6 +1078,8 @@ static void w1_search_process(struct w1_master *dev, u8 search_type) * w1_process_callbacks() - execute each dev->async_list callback entry * @dev: w1_master device * + * The w1 master list_mutex must be held. + * * Return: 1 if there were commands to executed 0 otherwise */ int w1_process_callbacks(struct w1_master *dev) diff --git a/drivers/w1/w1_int.c b/drivers/w1/w1_int.c index 9b084db739c7..728039d2efe1 100644 --- a/drivers/w1/w1_int.c +++ b/drivers/w1/w1_int.c @@ -219,9 +219,13 @@ void __w1_remove_master_device(struct w1_master *dev) if (msleep_interruptible(1000)) flush_signals(current); + mutex_lock(&dev->list_mutex); w1_process_callbacks(dev); + mutex_unlock(&dev->list_mutex); } + mutex_lock(&dev->list_mutex); w1_process_callbacks(dev); + mutex_unlock(&dev->list_mutex); memset(&msg, 0, sizeof(msg)); msg.id.mst.id = dev->id; |