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virDomainMemoryStats: avoid null dereference

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* src/libvirt.c (virDomainMemoryStats): Check domain before flags.
This commit is contained in:
Eric Blake 2011-02-14 16:20:39 -07:00
parent 0fae440618
commit ae891f956e
1 changed files with 6 additions and 6 deletions
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12
src/libvirt.c
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@ -4411,12 +4411,6 @@ int virDomainMemoryStats (virDomainPtr dom, virDomainMemoryStatPtr stats,
VIR_DOMAIN_DEBUG(dom, "stats=%p, nr_stats=%u", stats, nr_stats);
if (flags != 0) {
virLibDomainError(VIR_ERR_INVALID_ARG,
_("flags must be zero"));
goto error;
}
virResetLastError();
if (!VIR_IS_CONNECTED_DOMAIN (dom)) {
@ -4424,6 +4418,12 @@ int virDomainMemoryStats (virDomainPtr dom, virDomainMemoryStatPtr stats,
virDispatchError(NULL);
return -1;
}
if (flags != 0) {
virLibDomainError(VIR_ERR_INVALID_ARG,
_("flags must be zero"));
goto error;
}
if (!stats || nr_stats == 0)
return 0;