1 files changed, 20 insertions, 12 deletions

diff --git a/drivers/misc/mei/debugfs.c b/drivers/misc/mei/debugfs.c
index b60b4263cf0f..b125380ee871 100644
--- a/drivers/misc/mei/debugfs.c
+++ b/drivers/misc/mei/debugfs.c
@@ -21,20 +21,22 @@
 #include <linux/mei.h>
 
 #include "mei_dev.h"
+#include "client.h"
 #include "hw.h"
 
 static ssize_t mei_dbgfs_read_meclients(struct file *fp, char __user *ubuf,
                                         size_t cnt, loff_t *ppos)
 {
         struct mei_device *dev = fp->private_data;
-        struct mei_me_client *me_cl;
+        struct mei_me_client *me_cl, *n;
         size_t bufsz = 1;
         char *buf;
         int i = 0;
         int pos = 0;
         int ret;
 
-#define HDR "  |id|fix|         UUID                       |con|msg len|sb|\n"
+#define HDR \
+"  |id|fix|         UUID                       |con|msg len|sb|refc|\n"
 
         mutex_lock(&dev->device_lock);
 
@@ -54,16 +56,22 @@ static ssize_t mei_dbgfs_read_meclients(struct file *fp, char __user *ubuf,
         if (dev->dev_state != MEI_DEV_ENABLED)
                 goto out;
 
-        list_for_each_entry(me_cl, &dev->me_clients, list) {
-
-                pos += scnprintf(buf + pos, bufsz - pos,
-                        "%2d|%2d|%3d|%pUl|%3d|%7d|%2d|\n",
-                        i++, me_cl->client_id,
-                        me_cl->props.fixed_address,
-                        &me_cl->props.protocol_name,
-                        me_cl->props.max_number_of_connections,
-                        me_cl->props.max_msg_length,
-                        me_cl->props.single_recv_buf);
+        list_for_each_entry_safe(me_cl, n, &dev->me_clients, list) {
+
+                me_cl = mei_me_cl_get(me_cl);
+                if (me_cl) {
+                        pos += scnprintf(buf + pos, bufsz - pos,
+                                "%2d|%2d|%3d|%pUl|%3d|%7d|%2d|%4d|\n",
+                                i++, me_cl->client_id,
+                                me_cl->props.fixed_address,
+                                &me_cl->props.protocol_name,
+                                me_cl->props.max_number_of_connections,
+                                me_cl->props.max_msg_length,
+                                me_cl->props.single_recv_buf,
+                                atomic_read(&me_cl->refcnt.refcount));
+                }
+
+                mei_me_cl_put(me_cl);
         }
 out:
         mutex_unlock(&dev->device_lock);