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-rw-r--r--lib/memory.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/lib/memory.c b/lib/memory.c
index 2e295566..c13404d2 100644
--- a/lib/memory.c
+++ b/lib/memory.c
@@ -203,18 +203,21 @@ zrealloc (enum MTYPE mtype, void *ptr, size_t size MEMORY_TRACKER_NAME)
void
zfree (enum MTYPE mtype, void *ptr)
{
- LOCK ;
+ if (ptr != NULL)
+ {
+ LOCK ;
- assert(mstat.mt[mtype].alloc > 0) ;
+ assert(mstat.mt[mtype].alloc > 0) ;
- mstat.mt[mtype].alloc--;
+ mstat.mt[mtype].alloc--;
#ifdef MEMORY_TRACKER
- mem_md_free(mtype, ptr) ;
+ mem_md_free(mtype, ptr) ;
#endif
- free (ptr);
+ free (ptr);
- UNLOCK ;
+ UNLOCK ;
+ } ;
} ;
/*------------------------------------------------------------------------------