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[Qemu-devel] [5564] Recvmsg must return the number of bytes received ( L
From: |
Andrzej Zaborowski |
Subject: |
[Qemu-devel] [5564] Recvmsg must return the number of bytes received ( Lauro Ramos Venancio). |
Date: |
Tue, 28 Oct 2008 10:26:29 +0000 |
Revision: 5564
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=5564
Author: balrog
Date: 2008-10-28 10:26:29 +0000 (Tue, 28 Oct 2008)
Log Message:
-----------
Recvmsg must return the number of bytes received (Lauro Ramos Venancio).
Modified Paths:
--------------
trunk/linux-user/syscall.c
Modified: trunk/linux-user/syscall.c
===================================================================
--- trunk/linux-user/syscall.c 2008-10-28 10:24:11 UTC (rev 5563)
+++ trunk/linux-user/syscall.c 2008-10-28 10:26:29 UTC (rev 5564)
@@ -1160,7 +1160,7 @@
static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
int flags, int send)
{
- abi_long ret;
+ abi_long ret, len;
struct target_msghdr *msgp;
struct msghdr msg;
int count;
@@ -1199,8 +1199,12 @@
ret = get_errno(sendmsg(fd, &msg, flags));
} else {
ret = get_errno(recvmsg(fd, &msg, flags));
- if (!is_error(ret))
+ if (!is_error(ret)) {
+ len = ret;
ret = host_to_target_cmsg(msgp, &msg);
+ if (!is_error(ret))
+ ret = len;
+ }
}
unlock_iovec(vec, target_vec, count, !send);
unlock_user_struct(msgp, target_msg, send ? 0 : 1);
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