ip: stash a pointer to msghdr in struct ping_fakehdr
... instead of storing its ->mgs_iter.iov there
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
index 2a3720f..9e15ba7 100644
--- a/net/ipv4/ping.c
+++ b/net/ipv4/ping.c
@@ -602,14 +602,14 @@
if (fraglen < sizeof(struct icmphdr))
BUG();
if (csum_partial_copy_fromiovecend(to + sizeof(struct icmphdr),
- pfh->iov, 0, fraglen - sizeof(struct icmphdr),
+ pfh->msg->msg_iter.iov, 0, fraglen - sizeof(struct icmphdr),
&pfh->wcheck))
return -EFAULT;
} else if (offset < sizeof(struct icmphdr)) {
BUG();
} else {
if (csum_partial_copy_fromiovecend
- (to, pfh->iov, offset - sizeof(struct icmphdr),
+ (to, pfh->msg->msg_iter.iov, offset - sizeof(struct icmphdr),
fraglen, &pfh->wcheck))
return -EFAULT;
}
@@ -811,8 +811,7 @@
pfh.icmph.checksum = 0;
pfh.icmph.un.echo.id = inet->inet_sport;
pfh.icmph.un.echo.sequence = user_icmph.un.echo.sequence;
- /* XXX: stripping const */
- pfh.iov = (struct iovec *)msg->msg_iter.iov;
+ pfh.msg = msg;
pfh.wcheck = 0;
pfh.family = AF_INET;