diff options
| author | Christoph Hellwig <hch@lst.de> | 2020-07-23 08:09:07 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-07-24 15:41:54 -0700 |
| commit | a7b75c5a8c41445f33efb663887ff5f5c3b4454b (patch) | |
| tree | a87e011ba3a0d76fda030b3a62080caa97fae1ef /net/bluetooth/hci_sock.c | |
| parent | d38d2b00ba64b3f2f30d70a7929000606d2c4509 (diff) | |
| download | lwn-a7b75c5a8c41445f33efb663887ff5f5c3b4454b.tar.gz lwn-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/bluetooth/hci_sock.c')
| -rw-r--r-- | net/bluetooth/hci_sock.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c index caf38a8ea6a8..d5eff27d5b1e 100644 --- a/net/bluetooth/hci_sock.c +++ b/net/bluetooth/hci_sock.c @@ -1842,7 +1842,7 @@ drop: } static int hci_sock_setsockopt(struct socket *sock, int level, int optname, - char __user *optval, unsigned int len) + sockptr_t optval, unsigned int len) { struct hci_ufilter uf = { .opcode = 0 }; struct sock *sk = sock->sk; @@ -1862,7 +1862,7 @@ static int hci_sock_setsockopt(struct socket *sock, int level, int optname, switch (optname) { case HCI_DATA_DIR: - if (get_user(opt, (int __user *)optval)) { + if (copy_from_sockptr(&opt, optval, sizeof(opt))) { err = -EFAULT; break; } @@ -1874,7 +1874,7 @@ static int hci_sock_setsockopt(struct socket *sock, int level, int optname, break; case HCI_TIME_STAMP: - if (get_user(opt, (int __user *)optval)) { + if (copy_from_sockptr(&opt, optval, sizeof(opt))) { err = -EFAULT; break; } @@ -1896,7 +1896,7 @@ static int hci_sock_setsockopt(struct socket *sock, int level, int optname, } len = min_t(unsigned int, len, sizeof(uf)); - if (copy_from_user(&uf, optval, len)) { + if (copy_from_sockptr(&uf, optval, len)) { err = -EFAULT; break; } |