From 9f496af46bfef5bf38079b075119a9fb1b078e2c Mon Sep 17 00:00:00 2001
From: Godzil <godzil@godzil.net>
Date: Tue, 10 Jul 2012 14:06:27 +0200
Subject: [PATCH] Correct fusd_destroy to lock and check before freeing.

---
 libfusd/libfusd.c | 25 +++++++++++++++++++------
 1 file changed, 19 insertions(+), 6 deletions(-)

diff --git a/libfusd/libfusd.c b/libfusd/libfusd.c
index b4c53a7..6a80bd2 100755
--- a/libfusd/libfusd.c
+++ b/libfusd/libfusd.c
@@ -650,13 +650,26 @@ void fusd_dispatch(int fd)
  */
 void fusd_destroy(struct fusd_file_info *file)
 {
-  if (file == NULL)
-    return;
+   if (file == NULL)
+      return;
 
-  if (file->fusd_msg->data != NULL)
-    free(file->fusd_msg->data);
-  free(file->fusd_msg);
-  free(file);
+   FILE_LOCK(file);
+
+   if (file->fusd_msg != NULL)
+   {
+      if (file->fusd_msg->data != NULL)
+      {
+         free(file->fusd_msg->data);
+         file->fusd_msg->data = NULL;
+      }
+      free(file->fusd_msg);
+      file->fusd_msg = NULL;
+   }
+   FILE_UNLOCK(file);
+
+   pthread_mutex_destroy(&file->lock);
+
+   free(file);
 }