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authorIngo Molnar <mingo@elte.hu>2009-05-11 14:44:27 +0200
committerIngo Molnar <mingo@elte.hu>2009-05-11 14:44:31 +0200
commit41fb454ebe6024f5c1e3b3cbc0abc0da762e7b51 (patch)
tree51c50bcb67a5039448ddfa1869d7948cab1217e9 /sound/isa/wavefront/wavefront_synth.c
parent19c1a6f5764d787113fa323ffb18be7991208f82 (diff)
parent091bf7624d1c90cec9e578a18529f615213ff847 (diff)
Merge commit 'v2.6.30-rc5' into core/iommu
Merge reason: core/iommu was on an .30-rc1 base, update it to .30-rc5 to refresh. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'sound/isa/wavefront/wavefront_synth.c')
-rw-r--r--sound/isa/wavefront/wavefront_synth.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/sound/isa/wavefront/wavefront_synth.c b/sound/isa/wavefront/wavefront_synth.c
index beb312cca75..5d4ff48c434 100644
--- a/sound/isa/wavefront/wavefront_synth.c
+++ b/sound/isa/wavefront/wavefront_synth.c
@@ -1664,12 +1664,11 @@ snd_wavefront_synth_ioctl (struct snd_hwdep *hw, struct file *file,
break;
case WFCTL_WFCMD:
- wc = kmalloc(sizeof(*wc), GFP_KERNEL);
- if (! wc)
- return -ENOMEM;
- if (copy_from_user (wc, argp, sizeof (*wc)))
- err = -EFAULT;
- else if (wavefront_synth_control (acard, wc) < 0)
+ wc = memdup_user(argp, sizeof(*wc));
+ if (IS_ERR(wc))
+ return PTR_ERR(wc);
+
+ if (wavefront_synth_control (acard, wc) < 0)
err = -EIO;
else if (copy_to_user (argp, wc, sizeof (*wc)))
err = -EFAULT;