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authorChristoph Hellwig <hch@lst.de>2020-07-23 09:09:04 +0300
committerDavid S. Miller <davem@davemloft.net>2020-07-25 01:41:54 +0300
commit91ac1ccaff597d06b1e16801e1a4c99b8a78dcbe (patch)
tree213cfc026155048e81a84b073630768594c35781 /net
parent894cfbc0cf3ea447e486fca99852893a155b6a81 (diff)
downloadlinux-91ac1ccaff597d06b1e16801e1a4c99b8a78dcbe.tar.xz
net/udp: switch udp_lib_setsockopt to sockptr_t
Pass a sockptr_t to prepare for set_fs-less handling of the kernel pointer from bpf-cgroup. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/ipv4/udp.c7
-rw-r--r--net/ipv6/udp.c3
2 files changed, 6 insertions, 4 deletions
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index bb95cddcb040..c6cb2d09dbc7 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -2588,7 +2588,7 @@ void udp_destroy_sock(struct sock *sk)
* Socket option code for UDP
*/
int udp_lib_setsockopt(struct sock *sk, int level, int optname,
- char __user *optval, unsigned int optlen,
+ sockptr_t optval, unsigned int optlen,
int (*push_pending_frames)(struct sock *))
{
struct udp_sock *up = udp_sk(sk);
@@ -2599,7 +2599,7 @@ int udp_lib_setsockopt(struct sock *sk, int level, int optname,
if (optlen < sizeof(int))
return -EINVAL;
- if (get_user(val, (int __user *)optval))
+ if (copy_from_sockptr(&val, optval, sizeof(val)))
return -EFAULT;
valbool = val ? 1 : 0;
@@ -2707,7 +2707,8 @@ int udp_setsockopt(struct sock *sk, int level, int optname,
char __user *optval, unsigned int optlen)
{
if (level == SOL_UDP || level == SOL_UDPLITE)
- return udp_lib_setsockopt(sk, level, optname, optval, optlen,
+ return udp_lib_setsockopt(sk, level, optname,
+ USER_SOCKPTR(optval), optlen,
udp_push_pending_frames);
return ip_setsockopt(sk, level, optname, optval, optlen);
}
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 7c1143feb2bf..2df1e6c9d7cb 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -1622,7 +1622,8 @@ int udpv6_setsockopt(struct sock *sk, int level, int optname,
char __user *optval, unsigned int optlen)
{
if (level == SOL_UDP || level == SOL_UDPLITE)
- return udp_lib_setsockopt(sk, level, optname, optval, optlen,
+ return udp_lib_setsockopt(sk, level, optname,
+ USER_SOCKPTR(optval), optlen,
udp_v6_push_pending_frames);
return ipv6_setsockopt(sk, level, optname, optval, optlen);
}