ebiptablesWriteToTempFile: don't close a negative file descriptor

* src/nwfilter/nwfilter_ebiptables_driver.c (ebiptablesWriteToTempFile):
Skip the close if "fd" is negative.

diff --git a/src/nwfilter/nwfilter_ebiptables_driver.c b/src/nwfilter/nwfilter_ebiptables_driver.c
index 63bcbd7402eb8d3c4596febfbc390adf3b8d0c1c..ae21906122275969b247dd30560d41080e48bd54 100644 (file)
--- a/src/nwfilter/nwfilter_ebiptables_driver.c
+++ b/src/nwfilter/nwfilter_ebiptables_driver.c
@@ -2245,7 +2245,8 @@ ebiptablesWriteToTempFile(const char *string) {
 
 err_exit:
     VIR_FREE(header);
-    close(fd);
+    if (fd >= 0)
+        close(fd);
     unlink(filename);
     return NULL;
 }