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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 /net/llc/af_llc.c
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 'net/llc/af_llc.c')
-rw-r--r--net/llc/af_llc.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c
index 6140a3e46c26..7180979114e4 100644
--- a/net/llc/af_llc.c
+++ b/net/llc/af_llc.c
@@ -1053,7 +1053,7 @@ static int llc_ui_ioctl(struct socket *sock, unsigned int cmd,
* Set various connection specific parameters.
*/
static int llc_ui_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;
struct llc_sock *llc = llc_sk(sk);
@@ -1063,7 +1063,7 @@ static int llc_ui_setsockopt(struct socket *sock, int level, int optname,
lock_sock(sk);
if (unlikely(level != SOL_LLC || optlen != sizeof(int)))
goto out;
- rc = get_user(opt, (int __user *)optval);
+ rc = copy_from_sockptr(&opt, optval, sizeof(opt));
if (rc)
goto out;
rc = -EINVAL;