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virfile: Only generate a warning if there is something to report

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Only generate a warning if there is something to report.

Signed-off-by: Marc Hartmayer <mhartmay@linux.vnet.ibm.com>
Reviewed-by: Bjoern Walk <bwalk@linux.vnet.ibm.com>
Reviewed-by: Boris Fiuczynski <fiuczy@linux.vnet.ibm.com>
This commit is contained in:
Marc Hartmayer 2016-11-18 14:18:25 +01:00 committed by John Ferlan
parent d276da48bc
commit 7ab1fd91a4
1 changed files with 1 additions and 1 deletions
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2
src/util/virfile.c
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@ -325,7 +325,7 @@ virFileWrapperFdClose(virFileWrapperFdPtr wfd)
return 0;
ret = virCommandWait(wfd->cmd, NULL);
if (wfd->err_msg)
if (wfd->err_msg && *wfd->err_msg)
VIR_WARN("iohelper reports: %s", wfd->err_msg);
return ret;