From: Jing Huang <jing.huang.pku@gmail.com>
To: qemu-devel@nongnu.org
Cc: peter.maydell@linaro.org, riku.voipio@iki.fi, jing.huang.pku@gmail.com
Subject: [Qemu-devel] [PATCH V3 1/3] linux-user: pass sockaddr from host to target
Date: Sat, 21 Jul 2012 01:28:57 +0000 [thread overview]
Message-ID: <1342834137-2629-1-git-send-email-jing.huang.pku@gmail.com> (raw)
In-Reply-To: <y>
Signed-off-by: Jing Huang <jing.huang.pku@gmail.com>
---
linux-user/syscall.c | 13 ++++++++++++-
1 files changed, 12 insertions(+), 1 deletions(-)
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 539af3f..82aa83d 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -1873,10 +1873,21 @@ static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
if (!is_error(ret)) {
len = ret;
ret = host_to_target_cmsg(msgp, &msg);
- if (!is_error(ret))
+ if (!is_error(ret)) {
+ msgp->msg_namelen = tswap32(msg.msg_namelen);
+ if (msg.msg_name != NULL) {
+ ret = host_to_target_sockaddr(tswapal(msgp->msg_name),
+ msg.msg_name, msg.msg_namelen);
+ if (ret) {
+ goto out;
+ }
+ }
+
ret = len;
+ }
}
}
+out:
unlock_iovec(vec, target_vec, count, !send);
unlock_user_struct(msgp, target_msg, send ? 0 : 1);
return ret;
--
1.7.8.6
next reply other threads:[~2012-07-20 17:32 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-21 1:28 Jing Huang [this message]
2012-07-20 18:12 ` [Qemu-devel] [PATCH V3 1/3] linux-user: pass sockaddr from host to target Peter Maydell
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