If you call DELETE_CURRENT_PTR(), then you can sometimes end up with a
__list->nr that is zero. The FOR_EACH_PTR() macro can handle this but
the NEXT_PTR_LIST() macro returns ptr = 0xf0f0f0f0 which leads to a
segfault.
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
ptrlist.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/ptrlist.h b/ptrlist.h
index 58d3bda..61e159f 100644
--- a/ptrlist.h
+++ b/ptrlist.h
@@ -97,6 +97,8 @@ static inline void *last_ptr_list(struct ptr_list *list)
} else { \
__list = __list->next; \
ptr = NULL; \
+ while (__list->nr == 0 && __list != __head) \
+ __list = __list->next; \
if (__list != __head) { \
__nr = 0; \
ptr = PTR_ENTRY(__list,0); \
--
2.1.4
--
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