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:
  ALSA: hda - Fix the cmd cache keys for amp verbs
  ALSA: add missing definitions(letters) to HD-Audio.txt
  ALSA: hda - Add quirk mask for Fujitsu Amilo laptops with ALC883
  [ALSA] intel8x0: add one retry to the ac97_clock measurement routine
  [ALSA] intel8x0: fix wrong conditions in ac97_clock measure routine
  ALSA: hda - Avoid call of snd_jack_report at release
  ALSA: add private_data to struct snd_jack
  ALSA: snd-usb-caiaq: rename files to remove redundant information in file pathes
  ALSA: snd-usb-caiaq: clean up header includes
  ALSA: sound/pci: use memdup_user()
  ALSA: sound/usb: use memdup_user()
  ALSA: sound/isa: use memdup_user()
  ALSA: sound/core: use memdup_user()
  [ALSA] intel8x0: do not use zero value from PICB register
  [ALSA] intel8x0: an attempt to make ac97_clock measurement more reliable
  [ALSA] pcm-midlevel: Add more strict buffer position checks based on jiffies
  [ALSA] hda_intel: fix unexpected ring buffer positions
  ASoC: Disable S3C64xx support in Kconfig
  ASoC: magician: remove un-necessary #include of pxa-regs.h and hardware.h

1 files changed, 4 insertions, 7 deletions

diff --git a/sound/core/timer.c b/sound/core/timer.c
index 3f0050d0b71e..8f8b17ac074d 100644
--- a/sound/core/timer.c
+++ b/sound/core/timer.c
@@ -1395,13 +1395,10 @@ static int snd_timer_user_ginfo(struct file *file,
 	struct list_head *p;
 	int err = 0;
 
-	ginfo = kmalloc(sizeof(*ginfo), GFP_KERNEL);
-	if (! ginfo)
-		return -ENOMEM;
-	if (copy_from_user(ginfo, _ginfo, sizeof(*ginfo))) {
-		kfree(ginfo);
-		return -EFAULT;
-	}
+	ginfo = memdup_user(_ginfo, sizeof(*ginfo));
+	if (IS_ERR(ginfo))
+		return PTR_ERR(ginfo);
+
 	tid = ginfo->tid;
 	memset(ginfo, 0, sizeof(*ginfo));
 	ginfo->tid = tid;