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path: root/drivers/misc/mei/main.c
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Diffstat (limited to 'drivers/misc/mei/main.c')
-rw-r--r--drivers/misc/mei/main.c31
1 files changed, 6 insertions, 25 deletions
diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c
index 092330208869..b0903bd44bf7 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;
}