[libvirt] [PATCH 3/4] virCommand: Make virCommandPassFDGetFDIndex fail if passed command is in error state

The idea of virCommand* APIs is that a possible error that occurred while constructing cmd line is kept in virCommand struct. If that's the case all subsequent calls to virCommand*() are NO-OPs or they return an error. Well, virCommandPassFDGetFDIndex() is not honoring that. Signed-off-by: Michal Privoznik <mprivozn(a)redhat.com&gt; --- src/util/vircommand.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/util/vircommand.c b/src/util/vircommand.c index 9e99697c55..8695c98d1b 100644 --- a/src/util/vircommand.c +++ b/src/util/vircommand.c @@ -1034,6 +1034,9 @@ virCommandPassFDGetFDIndex(virCommandPtr cmd, int fd) { size_t i = 0; + if (!cmd || cmd->has_error) + return -1; + while (i < cmd->npassfd) { if (cmd->passfd[i].fd == fd) return i; -- 2.21.0