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virProcessRunInMountNamespace: Report errors from child

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The comment to the function states that the errors from the child
process are reported. Well, the error buffer is filled with
possible error messages. But then it is thrown away. Among with
important error message from the child process.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Michal Privoznik 2017-01-18 10:56:14 +01:00
parent aaf0ac7e7c
commit 3172d26730
1 changed files with 7 additions and 1 deletions
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8
src/util/virprocess.c
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@ -1137,8 +1137,14 @@ virProcessRunInMountNamespace(pid_t pid,
VIR_FORCE_CLOSE(errfd[1]);
ignore_value(virFileReadHeaderFD(errfd[0], 1024, &buf));
ret = virProcessWait(child, &status, false);
if (!ret)
if (!ret) {
ret = status == EXIT_CANCELED ? -1 : status;
if (ret) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("child reported: %s"),
NULLSTR(buf));
}
}
VIR_FREE(buf);
}