atm: idt77105: fix fetch_stats() result

copy_to_user() used PRIV(dev)->stats instead of local stats variable.
Zero stats were returned to user in case of (zero != 0), also memcpy()
was pointless.

Signed-off-by: Vasiliy Kulikov <segoon@openwall.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/atm/idt77105.c b/drivers/atm/idt77105.c
index bca9cb8..487a547 100644 (file)
--- a/drivers/atm/idt77105.c
+++ b/drivers/atm/idt77105.c
@@ -151,7 +151,7 @@ static int fetch_stats(struct atm_dev *dev,struct idt77105_stats __user *arg,int
        spin_unlock_irqrestore(&idt77105_priv_lock, flags);
        if (arg == NULL)
                return 0;
-       return copy_to_user(arg, &PRIV(dev)->stats,
+       return copy_to_user(arg, &stats,
                    sizeof(struct idt77105_stats)) ? -EFAULT : 0;
 }