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net: pass a sockptr_t into ->setsockopt

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Rework the remaining setsockopt code to pass a sockptr_t instead of a
plain user pointer.  This removes the last remaining set_fs(KERNEL_DS)
outside of architecture specific code.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Stefan Schmidt <stefan@datenfreihafen.org> [ieee802154]
Acked-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Christoph Hellwig
2020-07-23 08:09:07 +02:00
committed by David S. Miller
parent d38d2b00ba
commit a7b75c5a8c
61 changed files with 246 additions and 258 deletions
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4
net/netrom/af_netrom.c
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@@ -294,7 +294,7 @@ void nr_destroy_socket(struct sock *sk)
*/
static int nr_setsockopt(struct socket *sock, int level, int optname,
char __user *optval, unsigned int optlen)
sockptr_t optval, unsigned int optlen)
{
struct sock *sk = sock->sk;
struct nr_sock *nr = nr_sk(sk);
@@ -306,7 +306,7 @@ static int nr_setsockopt(struct socket *sock, int level, int optname,
if (optlen < sizeof(unsigned int))
return -EINVAL;
if (get_user(opt, (unsigned int __user *)optval))
if (copy_from_sockptr(&opt, optval, sizeof(unsigned int)))
return -EFAULT;
switch (optname) {