diff options
Diffstat (limited to 'drivers/misc/mei/main.c')
-rw-r--r-- | drivers/misc/mei/main.c | 31 |
1 files changed, 6 insertions, 25 deletions
diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c index 09233020886..b0903bd44bf 100644 --- a/drivers/misc/mei/main.c +++ b/drivers/misc/mei/main.c @@ -393,10 +393,9 @@ static ssize_t mei_read(struct file *file, char __user *ubuf, if ((cl->sm_state & MEI_WD_STATE_INDEPENDENCE_MSG_SENT) == 0) { /* Do not allow to read watchdog client */ - i = mei_find_me_client_index(dev, mei_wd_guid); + i = mei_me_cl_by_uuid(dev, &mei_wd_guid); if (i >= 0) { struct mei_me_client *me_client = &dev->me_clients[i]; - if (cl->me_client_id == me_client->client_id) { rets = -EBADF; goto out; @@ -620,22 +619,12 @@ static ssize_t mei_write(struct file *file, const char __user *ubuf, rets = -ENODEV; goto unlock_dev; } - for (i = 0; i < dev->me_clients_num; i++) { - if (dev->me_clients[i].client_id == - dev->iamthif_cl.me_client_id) - break; - } - - if (WARN_ON(dev->me_clients[i].client_id != cl->me_client_id)) { + i = mei_me_cl_by_id(dev, dev->iamthif_cl.me_client_id); + if (i < 0) { rets = -ENODEV; goto unlock_dev; } - if (i == dev->me_clients_num || - (dev->me_clients[i].client_id != - dev->iamthif_cl.me_client_id)) { - rets = -ENODEV; - goto unlock_dev; - } else if (length > dev->me_clients[i].props.max_msg_length || + if (length > dev->me_clients[i].props.max_msg_length || length <= 0) { rets = -EMSGSIZE; goto unlock_dev; @@ -688,16 +677,8 @@ static ssize_t mei_write(struct file *file, const char __user *ubuf, cl->me_client_id); goto unlock_dev; } - for (i = 0; i < dev->me_clients_num; i++) { - if (dev->me_clients[i].client_id == - cl->me_client_id) - break; - } - if (WARN_ON(dev->me_clients[i].client_id != cl->me_client_id)) { - rets = -ENODEV; - goto unlock_dev; - } - if (i == dev->me_clients_num) { + i = mei_me_cl_by_id(dev, cl->me_client_id); + if (i < 0) { rets = -ENODEV; goto unlock_dev; } |