dix: delete all callbacks before reset

DeleteCallbackManager() introduced for better symmetry in the caller, they
do the same thing.

==20085== 24 bytes in 1 blocks are still reachable in loss record 11 of 103
==20085==    at 0x4C2A4CD: malloc (vg_replace_malloc.c:236)
==20085==    by 0x43A097: CreateCallbackList (dixutils.c:837)
==20085==    by 0x43A1D3: AddCallback (dixutils.c:869)
==20085==    by 0x4B1736: GEExtensionInit (geext.c:209)
==20085==    by 0x41C8A8: InitExtensions (miinitext.c:389)
==20085==    by 0x5AC918: main (main.c:208)

==2042== 8 bytes in 1 blocks are still reachable in loss record 2 of 97
==2042==    at 0x4C2A4CD: malloc (vg_replace_malloc.c:236)
==2042==    by 0x4C2A657: realloc (vg_replace_malloc.c:525)
==2042==    by 0x4802F5: XNFrealloc (utils.c:1095)
==2042==    by 0x43A17A: CreateCallbackList (dixutils.c:855)
==2042==    by 0x43A1EF: AddCallback (dixutils.c:870)
==2042==    by 0x4B1752: GEExtensionInit (geext.c:209)
==2042==    by 0x41C8A8: InitExtensions (miinitext.c:389)
==2042==    by 0x5AC9E4: main (main.c:208)
==2042==

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Keith Packard <keithp@keithp.com>

1 files changed, 7 insertions, 1 deletions

diff --git a/dix/dixutils.c b/dix/dixutils.c
index 3f24629b4..c250bb1db 100644
--- a/dix/dixutils.c
+++ b/dix/dixutils.c
@@ -849,7 +849,7 @@ DeleteCallbackList(CallbackListPtr *pcbl)
 }
 
 void
-InitCallbackManager(void)
+DeleteCallbackManager(void)
 {
     int i;
 
@@ -861,3 +861,9 @@ InitCallbackManager(void)
     numCallbackListsToCleanup = 0;
     listsToCleanup = NULL;
 }
+
+void
+InitCallbackManager(void)
+{
+    DeleteCallbackManager();
+}