[PATCH 1/3] virfile: Only generate a warning if there is something to report

[Marc Hartmayer <mhartmay@xxxxxxxxxxxxxxxxxx>]

Only generate a warning if there is something to report.

Signed-off-by: Marc Hartmayer <mhartmay@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Bjoern Walk <bwalk@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Boris Fiuczynski <fiuczy@xxxxxxxxxxxxxxxxxx>
---
 src/util/virfile.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/util/virfile.c b/src/util/virfile.c
index a45279a..f006abf 100644
--- a/src/util/virfile.c
+++ b/src/util/virfile.c
@@ -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;
-- 
2.5.5

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