diff mbox

[v4,4/5] ptrlist: avoid iteration on NULL entries

Message ID 20170804221742.66665-5-luc.vanoostenryck@gmail.com (mailing list archive)
State Mainlined, archived
Headers show

Commit Message

Luc Van Oostenryck Aug. 4, 2017, 10:17 p.m. UTC 
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
---
 ptrlist.h | 4 ++++
 1 file changed, 4 insertions(+)
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Patch

diff --git a/ptrlist.h b/ptrlist.h
index 74b80e220..1839b0f46 100644
--- a/ptrlist.h
+++ b/ptrlist.h
@@ -162,6 +162,8 @@  static inline void *last_ptr_list(struct ptr_list *list)
 			for (__nr = 0; __nr < __list->nr; __nr++) {			\
 				do {							\
 					ptr = PTR_ENTRY(__list,__nr);			\
+					if (list->rm && !ptr)				\
+						continue;				\
 					do {
 
 #define DO_END_FOR_EACH(ptr, __head, __list, __nr)					\
@@ -183,6 +185,8 @@  static inline void *last_ptr_list(struct ptr_list *list)
 			while (--__nr >= 0) {						\
 				do {							\
 					ptr = PTR_ENTRY(__list,__nr);			\
+					if (list->rm && !ptr)				\
+						continue;				\
 					do {