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authorChristoph Hellwig <hch@lst.de>2020-07-23 09:09:07 +0300
committerDavid S. Miller <davem@davemloft.net>2020-07-25 01:41:54 +0300
commita7b75c5a8c41445f33efb663887ff5f5c3b4454b (patch)
treea87e011ba3a0d76fda030b3a62080caa97fae1ef /drivers/isdn
parentd38d2b00ba64b3f2f30d70a7929000606d2c4509 (diff)
downloadlinux-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 'drivers/isdn')
-rw-r--r--drivers/isdn/mISDN/socket.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/isdn/mISDN/socket.c b/drivers/isdn/mISDN/socket.c
index 1b2b91479107..2835daae9e9f 100644
--- a/drivers/isdn/mISDN/socket.c
+++ b/drivers/isdn/mISDN/socket.c
@@ -401,7 +401,7 @@ data_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
}
static int data_sock_setsockopt(struct socket *sock, int level, int optname,
- char __user *optval, unsigned int len)
+ sockptr_t optval, unsigned int len)
{
struct sock *sk = sock->sk;
int err = 0, opt = 0;
@@ -414,7 +414,7 @@ static int data_sock_setsockopt(struct socket *sock, int level, int optname,
switch (optname) {
case MISDN_TIME_STAMP:
- if (get_user(opt, (int __user *)optval)) {
+ if (copy_from_sockptr(&opt, optval, sizeof(int))) {
err = -EFAULT;
break;
}