diff options
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/mei/bus.c | 3 | ||||
| -rw-r--r-- | drivers/misc/mei/main.c | 3 |
2 files changed, 4 insertions, 2 deletions
diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c index 1f33fea9299f..63411ddfb83d 100644 --- a/drivers/misc/mei/bus.c +++ b/drivers/misc/mei/bus.c @@ -126,7 +126,8 @@ ssize_t __mei_cl_recv(struct mei_cl *cl, u8 *buf, size_t length) goto out; /* wait on event only if there is no other waiter */ - if (list_empty(&cl->rd_completed) && !waitqueue_active(&cl->rx_wait)) { + /* synchronized under device mutex */ + if (!waitqueue_active(&cl->rx_wait)) { mutex_unlock(&bus->device_lock); diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c index a8d0471f817f..3326bde7fba1 100644 --- a/drivers/misc/mei/main.c +++ b/drivers/misc/mei/main.c @@ -183,7 +183,8 @@ static ssize_t mei_read(struct file *file, char __user *ubuf, goto out; } - if (list_empty(&cl->rd_completed) && !waitqueue_active(&cl->rx_wait)) { + /* synchronized under device mutex */ + if (!waitqueue_active(&cl->rx_wait)) { if (file->f_flags & O_NONBLOCK) { rets = -EAGAIN; goto out; |