From 25f85e493887e45e3849aa7c3914b49b1d9b5eb2 Mon Sep 17 00:00:00 2001
From: Matthias Bolte <matthias.bolte@googlemail.com>
Date: Sun, 3 Apr 2011 11:21:27 +0200
Subject: [PATCH] Remove PATH_MAX sized stack allocation from virFileOpenTtyAt

---
 src/util/util.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/src/util/util.c b/src/util/util.c
index 3a0e661be9..526f51c0f6 100644
--- a/src/util/util.c
+++ b/src/util/util.c
@@ -1902,14 +1902,13 @@ int virFileOpenTtyAt(const char *ptmx,
     }
 
     if (ttyName) {
-        char tempTtyName[PATH_MAX];
-        if (ptsname_r(*ttymaster, tempTtyName, sizeof(tempTtyName)) < 0)
-            goto cleanup;
-
-        if ((*ttyName = strdup(tempTtyName)) == NULL) {
+        if (VIR_ALLOC_N(*ttyName, PATH_MAX) < 0) {
             errno = ENOMEM;
             goto cleanup;
         }
+
+        if (ptsname_r(*ttymaster, *ttyName, PATH_MAX) < 0)
+            goto cleanup;
     }
 
     rc = 0;
-- 
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