null_pointer.patch

diff --git a/src/common/hashtable/rculfhash.h b/src/common/hashtable/rculfhash.h
index 17cf6db..601feea 100644
--- a/src/common/hashtable/rculfhash.h
+++ b/src/common/hashtable/rculfhash.h
@@ -34,6 +34,11 @@
 
 #include "urcu-flavor.h"
 
+static int  __attribute__((noinline)) __is_null_pointer(unsigned long v)
+{
+	return v == 0;
+}
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -458,7 +463,7 @@ void cds_lfht_resize(struct cds_lfht *ht, unsigned long new_size);
 	for (cds_lfht_first(ht, iter),					\
 			pos = caa_container_of(cds_lfht_iter_get_node(iter), \
 					__typeof__(*(pos)), member);	\
-		&(pos)->member != NULL;					\
+		!__is_null_pointer((unsigned long) &(pos)->member);					\
 		cds_lfht_next(ht, iter),				\
 			pos = caa_container_of(cds_lfht_iter_get_node(iter), \
 					__typeof__(*(pos)), member))