1 files changed, 3 insertions, 4 deletions

diff --git a/sound/core/control.c b/sound/core/control.c
index a8b7fabe645e..73dc10ac33f6 100644
--- a/sound/core/control.c
+++ b/sound/core/control.c
@@ -75,7 +75,7 @@ static int snd_ctl_open(struct inode *inode, struct file *file)
         ctl->card = card;
         ctl->prefer_pcm_subdevice = -1;
         ctl->prefer_rawmidi_subdevice = -1;
-        ctl->pid = current->pid;
+        ctl->pid = get_pid(task_pid(current));
         file->private_data = ctl;
         write_lock_irqsave(&card->ctl_files_rwlock, flags);
         list_add_tail(&ctl->list, &card->ctl_files);
@@ -125,6 +125,7 @@ static int snd_ctl_release(struct inode *inode, struct file *file)
                                 control->vd[idx].owner = NULL;
         up_write(&card->controls_rwsem);
         snd_ctl_empty_read_queue(ctl);
+        put_pid(ctl->pid);
         kfree(ctl);
         module_put(card->module);
         snd_card_file_remove(card, file);
@@ -672,7 +673,7 @@ static int snd_ctl_elem_info(struct snd_ctl_file *ctl,
                         info->access |= SNDRV_CTL_ELEM_ACCESS_LOCK;
                         if (vd->owner == ctl)
                                 info->access |= SNDRV_CTL_ELEM_ACCESS_OWNER;
-                        info->owner = vd->owner_pid;
+                        info->owner = pid_vnr(vd->owner->pid);
                 } else {
                         info->owner = -1;
                 }
@@ -827,7 +828,6 @@ static int snd_ctl_elem_lock(struct snd_ctl_file *file,
                         result = -EBUSY;
                 else {
                         vd->owner = file;
-                        vd->owner_pid = current->pid;
                         result = 0;
                 }
         }
@@ -858,7 +858,6 @@ static int snd_ctl_elem_unlock(struct snd_ctl_file *file,
                         result = -EPERM;
                 else {
                         vd->owner = NULL;
-                        vd->owner_pid = 0;
                         result = 0;
                 }
         }