netstat: check fstat's return value

7e91281f · Jiri Popelka · Bernd Eckenfels · 8217b88b · 7e91281f
Commit 7e91281f authored Dec 03, 2012 by Jiri Popelka Committed by Bernd Eckenfels Dec 31, 2012
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netstat.c netstat.c +2 -2

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--- a/netstat.c
+++ b/netstat.c
@@ -1574,8 +1574,8 @@ static int ipx_info(void)

        /* We need to check for directory */
        if (f) {
-            fstat(fileno(f), &s);
-            if (!S_ISREG(s.st_mode)) {
+            if (fstat (fileno(f), &s) == -1 ||
+                !S_ISREG(s.st_mode)) {
                fclose(f);
                f=NULL;
            }