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[IP]: Introduce ip_options_get_from_user

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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>
This commit is contained in:
Arnaldo Carvalho de Melo
2005-08-16 19:46:48 -03:00
committed by David S. Miller
parent 6ed8a48582
commit 4c6ea29d82
3 changed files with 40 additions and 18 deletions
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4
net/ipv4/ip_sockglue.c
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@@ -153,7 +153,7 @@ int ip_cmsg_send(struct msghdr *msg, struct ipcm_cookie *ipc)
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 @@ int ip_setsockopt(struct sock *sk, int level, int optname, char __user *optval,
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) {