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, 13 insertions, 28 deletions

diff --git a/sound/pci/emu10k1/emufx.c b/sound/pci/emu10k1/emufx.c
index 191e1cd..4b302d8 100644
--- a/sound/pci/emu10k1/emufx.c
+++ b/sound/pci/emu10k1/emufx.c
@@ -2493,24 +2493,17 @@ static int snd_emu10k1_fx8010_ioctl(struct snd_hwdep * hw, struct file *file, un
 	case SNDRV_EMU10K1_IOCTL_CODE_POKE:
 		if (!capable(CAP_SYS_ADMIN))
 			return -EPERM;
-		icode = kmalloc(sizeof(*icode), GFP_KERNEL);
-		if (icode == NULL)
-			return -ENOMEM;
-		if (copy_from_user(icode, argp, sizeof(*icode))) {
-			kfree(icode);
-			return -EFAULT;
-		}
+
+		icode = memdup_user(argp, sizeof(*icode));
+		if (IS_ERR(icode))
+			return PTR_ERR(icode);
 		res = snd_emu10k1_icode_poke(emu, icode);
 		kfree(icode);
 		return res;
 	case SNDRV_EMU10K1_IOCTL_CODE_PEEK:
-		icode = kmalloc(sizeof(*icode), GFP_KERNEL);
-		if (icode == NULL)
-			return -ENOMEM;
-		if (copy_from_user(icode, argp, sizeof(*icode))) {
-			kfree(icode);
-			return -EFAULT;
-		}
+		icode = memdup_user(argp, sizeof(*icode));
+		if (IS_ERR(icode))
+			return PTR_ERR(icode);
 		res = snd_emu10k1_icode_peek(emu, icode);
 		if (res == 0 && copy_to_user(argp, icode, sizeof(*icode))) {
 			kfree(icode);
@@ -2519,24 +2512,16 @@ static int snd_emu10k1_fx8010_ioctl(struct snd_hwdep * hw, struct file *file, un
 		kfree(icode);
 		return res;
 	case SNDRV_EMU10K1_IOCTL_PCM_POKE:
-		ipcm = kmalloc(sizeof(*ipcm), GFP_KERNEL);
-		if (ipcm == NULL)
-			return -ENOMEM;
-		if (copy_from_user(ipcm, argp, sizeof(*ipcm))) {
-			kfree(ipcm);
-			return -EFAULT;
-		}
+		ipcm = memdup_user(argp, sizeof(*ipcm));
+		if (IS_ERR(ipcm))
+			return PTR_ERR(ipcm);
 		res = snd_emu10k1_ipcm_poke(emu, ipcm);
 		kfree(ipcm);
 		return res;
 	case SNDRV_EMU10K1_IOCTL_PCM_PEEK:
-		ipcm = kzalloc(sizeof(*ipcm), GFP_KERNEL);
-		if (ipcm == NULL)
-			return -ENOMEM;
-		if (copy_from_user(ipcm, argp, sizeof(*ipcm))) {
-			kfree(ipcm);
-			return -EFAULT;
-		}
+		ipcm = memdup_user(argp, sizeof(*ipcm));
+		if (IS_ERR(ipcm))
+			return PTR_ERR(ipcm);
 		res = snd_emu10k1_ipcm_peek(emu, ipcm);
 		if (res == 0 && copy_to_user(argp, ipcm, sizeof(*ipcm))) {
 			kfree(ipcm);