[IP]: Introduce ip_options_get_from_user
This variant is needed to satisfy sparse __user annotations.
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index aca088b..2f0b47d 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -153,7 +153,7 @@
switch (cmsg->cmsg_type) {
case IP_RETOPTS:
err = cmsg->cmsg_len - CMSG_ALIGN(sizeof(struct cmsghdr));
- err = ip_options_get(&ipc->opt, CMSG_DATA(cmsg), err < 40 ? err : 40, 0);
+ err = ip_options_get(&ipc->opt, CMSG_DATA(cmsg), err < 40 ? err : 40);
if (err)
return err;
break;
@@ -425,7 +425,7 @@
struct ip_options * opt = NULL;
if (optlen > 40 || optlen < 0)
goto e_inval;
- err = ip_options_get(&opt, optval, optlen, 1);
+ err = ip_options_get_from_user(&opt, optval, optlen);
if (err)
break;
if (sk->sk_type == SOCK_STREAM) {