[ALSA] emu10k1 - Fix over-sized kmalloc for TLV

Reported by Al Viro:
In copy_tlv(), the size of kmalloc is wrongly calculated.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

1 files changed, 1 insertions, 1 deletions

diff --git a/sound/pci/emu10k1/emufx.c b/sound/pci/emu10k1/emufx.c
index c35d9e1cb6dd..354a892adb40 100644
--- a/sound/pci/emu10k1/emufx.c
+++ b/sound/pci/emu10k1/emufx.c
@@ -665,7 +665,7 @@ static unsigned int *copy_tlv(const unsigned int __user *_tlv)
                 return NULL;
         if (data[1] >= MAX_TLV_SIZE)
                 return NULL;
-        tlv = kmalloc(data[1] * 4 + sizeof(data), GFP_KERNEL);
+        tlv = kmalloc(data[1] + sizeof(data), GFP_KERNEL);
         if (!tlv)
                 return NULL;
         memcpy(tlv, data, sizeof(data));