common/test: fix a sizeof-thinko.

diff --git a/src/common/tests/mm-test.c b/src/common/tests/mm-test.c
index fc9ae57..30200a5 100644 (file)
--- a/src/common/tests/mm-test.c
+++ b/src/common/tests/mm-test.c
@@ -151,7 +151,7 @@ static int obj_check(obj_t *obj, int alloced)
         char check[sizeof(obj_t)];
 
         memset(check, POISON, sizeof(check));
-        if (memcmp(check, obj, sizeof(obj)))
+        if (memcmp(check, obj, sizeof(*obj)))
             error("Object %p not properly poisoned.", obj);
     }