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build: silence a clang false positive

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* src/qemu/qemu_monitor.c (qemuMonitorIOWriteWithFD): Work around
recent clang shortcoming in analysis.
This commit is contained in:
Eric Blake 2010-05-05 11:14:54 -06:00
parent beccb0deca
commit 2256d8b86e
1 changed files with 4 additions and 1 deletions
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5
src/qemu/qemu_monitor.c
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@ -1,7 +1,7 @@
/*
* qemu_monitor.c: interaction with QEMU monitor console
*
* Copyright (C) 2006-2009 Red Hat, Inc.
* Copyright (C) 2006-2010 Red Hat, Inc.
* Copyright (C) 2006 Daniel P. Berrange
*
* This library is free software; you can redistribute it and/or
@ -374,6 +374,9 @@ qemuMonitorIOWriteWithFD(qemuMonitorPtr mon,
msg.msg_controllen = sizeof(control);
cmsg = CMSG_FIRSTHDR(&msg);
/* Some static analyzers, like clang 2.6-0.6.pre2, fail to see
that our use of CMSG_FIRSTHDR will not return NULL. */
sa_assert(cmsg);
cmsg->cmsg_len = CMSG_LEN(sizeof(int));
cmsg->cmsg_level = SOL_SOCKET;
cmsg->cmsg_type = SCM_RIGHTS;