diff options
-rw-r--r-- | drivers/misc/mei/amthif.c | 12 | ||||
-rw-r--r-- | drivers/misc/mei/bus.c | 2 |
2 files changed, 9 insertions, 5 deletions
diff --git a/drivers/misc/mei/amthif.c b/drivers/misc/mei/amthif.c index 2222b60e9208..082462ea90c9 100644 --- a/drivers/misc/mei/amthif.c +++ b/drivers/misc/mei/amthif.c @@ -66,8 +66,12 @@ int mei_amthif_host_init(struct mei_device *dev, struct mei_me_client *me_cl) struct mei_cl *cl = &dev->iamthif_cl; int ret; - if (mei_cl_is_connected(cl)) - return 0; + mutex_lock(&dev->device_lock); + + if (mei_cl_is_connected(cl)) { + ret = 0; + goto out; + } dev->iamthif_state = MEI_IAMTHIF_IDLE; @@ -76,11 +80,13 @@ int mei_amthif_host_init(struct mei_device *dev, struct mei_me_client *me_cl) ret = mei_cl_link(cl); if (ret < 0) { dev_err(dev->dev, "amthif: failed cl_link %d\n", ret); - return ret; + goto out; } ret = mei_cl_connect(cl, me_cl, NULL); +out: + mutex_unlock(&dev->device_lock); return ret; } diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c index cdf13f6d2697..8cac7ef9ad0d 100644 --- a/drivers/misc/mei/bus.c +++ b/drivers/misc/mei/bus.c @@ -984,12 +984,10 @@ void mei_cl_bus_rescan_work(struct work_struct *work) container_of(work, struct mei_device, bus_rescan_work); struct mei_me_client *me_cl; - mutex_lock(&bus->device_lock); me_cl = mei_me_cl_by_uuid(bus, &mei_amthif_guid); if (me_cl) mei_amthif_host_init(bus, me_cl); mei_me_cl_put(me_cl); - mutex_unlock(&bus->device_lock); mei_cl_bus_rescan(bus); } |