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authorChristoph Hellwig <hch@lst.de>2020-07-23 08:09:07 +0200
committerDavid S. Miller <davem@davemloft.net>2020-07-25 00:41:54 +0200
commita7b75c5a8c41445f33efb663887ff5f5c3b4454b (patch)
treea87e011ba3a0d76fda030b3a62080caa97fae1ef /net/x25
parentnet/tcp: switch do_tcp_setsockopt to sockptr_t (diff)
downloadlinux-a7b75c5a8c41445f33efb663887ff5f5c3b4454b.tar.xz
linux-a7b75c5a8c41445f33efb663887ff5f5c3b4454b.zip
net: pass a sockptr_t into ->setsockopt
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>
Diffstat (limited to 'net/x25')
-rw-r--r--net/x25/af_x25.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
index d5b09bbff375..0bbb283f23c9 100644
--- a/net/x25/af_x25.c
+++ b/net/x25/af_x25.c
@@ -431,7 +431,7 @@ void x25_destroy_socket_from_timer(struct sock *sk)
*/
static int x25_setsockopt(struct socket *sock, int level, int optname,
- char __user *optval, unsigned int optlen)
+ sockptr_t optval, unsigned int optlen)
{
int opt;
struct sock *sk = sock->sk;
@@ -445,7 +445,7 @@ static int x25_setsockopt(struct socket *sock, int level, int optname,
goto out;
rc = -EFAULT;
- if (get_user(opt, (int __user *)optval))
+ if (copy_from_sockptr(&opt, optval, sizeof(int)))
goto out;
if (opt)