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authorChristoph Hellwig <hch@lst.de>2020-07-23 08:09:07 +0200
committerDavid S. Miller <davem@davemloft.net>2020-07-24 15:41:54 -0700
commita7b75c5a8c41445f33efb663887ff5f5c3b4454b (patch)
treea87e011ba3a0d76fda030b3a62080caa97fae1ef /net/bluetooth/hci_sock.c
parentd38d2b00ba64b3f2f30d70a7929000606d2c4509 (diff)
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.c8
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;
}