Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: (294 commits)
  S3C64XX: Staticise platform data for PCM devices
  ASoC: Rename controls with a / in wm_hubs
  snd-fm801: autodetect SF64-PCR (tuner-only) card
  ALSA: tea575x-tuner: fix mute
  ASoC: au1x: dbdma2: plug memleak in pcm device creation error path
  ASoC: au1x: dbdma2: fix oops on soc device removal.
  ALSA: hda - Fix memory leaks in the previous patch
  ALSA: hda - Add ALC661/259, ALC892/888VD support
  ALSA: opti9xx: remove snd_opti9xx fields
  ALSA: aaci - Clean up duplicate code
  ALSA: usb - Fix mixer map for Hercules Gamesurround Muse Pocket LT
  ALSA: hda - Add position_fix quirk for HP dv3
  ALSA: hda - Add a pin-fix for FSC Amilo Pi1505
  ALSA: hda - Fix Cxt5047 test mode
  ASoC: pxa/raumfeld: adopt new snd_soc_dai_set_pll() API
  ASoC: sh: fsi: Add runtime PM support
  sh: ms7724se: Add runtime PM support for FSI
  ALSA: hda - Add a position_fix quirk for MSI Wind U115
  ALSA: opti-miro: add PnP detection
  ALSA: opti-miro: separate comon probing code
  ...

1 files changed, 4 insertions, 5 deletions

diff --git a/sound/core/control.c b/sound/core/control.c
index a8b7fabe645e..268ab7471224 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;
 		}
 	}
@@ -1120,7 +1119,7 @@ static int snd_ctl_tlv_ioctl(struct snd_ctl_file *file,
 	    	goto __kctl_end;
 	}
 	if (vd->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) {
-		if (file && vd->owner != NULL && vd->owner != file) {
+		if (vd->owner != NULL && vd->owner != file) {
 			err = -EPERM;
 			goto __kctl_end;
 		}