diff options
| author | Christoph Hellwig <hch@lst.de> | 2020-07-23 09:09:07 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-07-25 01:41:54 +0300 |
| commit | a7b75c5a8c41445f33efb663887ff5f5c3b4454b (patch) | |
| tree | a87e011ba3a0d76fda030b3a62080caa97fae1ef /net/ax25 | |
| parent | d38d2b00ba64b3f2f30d70a7929000606d2c4509 (diff) | |
| download | linux-a7b75c5a8c41445f33efb663887ff5f5c3b4454b.tar.xz | |
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/ax25')
| -rw-r--r-- | net/ax25/af_ax25.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c index fd91cd34f25e..17bf31a89692 100644 --- a/net/ax25/af_ax25.c +++ b/net/ax25/af_ax25.c @@ -528,7 +528,7 @@ ax25_cb *ax25_create_cb(void) */ static int ax25_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; ax25_cb *ax25; @@ -543,7 +543,7 @@ static int ax25_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; lock_sock(sk); @@ -640,7 +640,7 @@ static int ax25_setsockopt(struct socket *sock, int level, int optname, memset(devname, 0, sizeof(devname)); - if (copy_from_user(devname, optval, optlen)) { + if (copy_from_sockptr(devname, optval, optlen)) { res = -EFAULT; break; } |