atm: clean up a put_user() calls

Unlike copy_from_user(), put_user() and get_user() return -EFAULT on
error.  Use the error code directly instead of setting it.

Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/04a018e8-7433-4f67-8ddd-9357a0114f87@moroto.mountain
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/net/atm/ioctl.c b/net/atm/ioctl.c
index f81f8d56f5c0c574d60b7bb552c3cc62bca40f9e..0f7a39aeccc8ef54f5a1664c8ad3af4ebbbdd693 100644 (file)
--- a/net/atm/ioctl.c
+++ b/net/atm/ioctl.c
@@ -68,7 +68,7 @@ static int do_vcc_ioctl(struct socket *sock, unsigned int cmd,
                        goto done;
                }
                error = put_user(sk->sk_sndbuf - sk_wmem_alloc_get(sk),
-                                (int __user *)argp) ? -EFAULT : 0;
+                                (int __user *)argp);
                goto done;
        case SIOCINQ:
        {
@@ -83,7 +83,7 @@ static int do_vcc_ioctl(struct socket *sock, unsigned int cmd,
                skb = skb_peek(&sk->sk_receive_queue);
                amount = skb ? skb->len : 0;
                spin_unlock_irq(&sk->sk_receive_queue.lock);
-               error = put_user(amount, (int __user *)argp) ? -EFAULT : 0;
+               error = put_user(amount, (int __user *)argp);
                goto done;
        }
        case ATM_SETSC: