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atm: clean up a put_user() calls

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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>
This commit is contained in:
Dan Carpenter 2024-06-13 21:21:42 +03:00 committed by Jakub Kicinski
parent 6a21fb7a9e
commit afc5625e20
1 changed files with 2 additions and 2 deletions
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4
net/atm/ioctl.c
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@ -68,7 +68,7 @@ static int do_vcc_ioctl(struct socket *sock, unsigned int cmd,
goto done; goto done;
} }
error = put_user(sk->sk_sndbuf - sk_wmem_alloc_get(sk), error = put_user(sk->sk_sndbuf - sk_wmem_alloc_get(sk),
(int __user *)argp) ? -EFAULT : 0; (int __user *)argp);
goto done; goto done;
case SIOCINQ: case SIOCINQ:
{ {
@ -83,7 +83,7 @@ static int do_vcc_ioctl(struct socket *sock, unsigned int cmd,
skb = skb_peek(&sk->sk_receive_queue); skb = skb_peek(&sk->sk_receive_queue);
amount = skb ? skb->len : 0; amount = skb ? skb->len : 0;
spin_unlock_irq(&sk->sk_receive_queue.lock); 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; goto done;
} }
case ATM_SETSC: case ATM_SETSC: