Bugzilla Bug 281763: fixed a leak of the first arena on the freelist whenMOZILLA_1_8b1_RELEASE

the second arena is taken.  The patch is contributed by Nelson Bolyard of
Sun Microsystems.  r=wtc.
 Tag: NSPRPUB_PRE_4_2_CLIENT_BRANCH

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/ds/plarena.c b/lib/ds/plarena.c
index 34d675fc..638f5bdb 100644
--- a/lib/ds/plarena.c
+++ b/lib/ds/plarena.c
@@ -184,9 +184,9 @@ PR_IMPLEMENT(void *) PL_ArenaAllocate(PLArenaPool *pool, PRUint32 nb)
         if ( PR_FAILURE == LockArena())
             return(0);
 
-        for ( a = p = arena_freelist; a != NULL ; p = a, a = a->next ) {
+        for ( a = arena_freelist, p = NULL; a != NULL ; p = a, a = a->next ) {
             if ( a->base +nb <= a->limit )  {
-                if ( p == arena_freelist )
+                if ( p == NULL )
                     arena_freelist = a->next;
                 else
                     p->next = a->next;