Simplify the code a bit by using the initializer and conditional
check in for() instead of a separate if() statement in the loop.
Signed-off-by: Pranith Kumar <bobby.pr...@gmail.com>
---
lib/llist.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/lib/llist.c b/lib/llist.c
index ae5872b..ddbeebb 100644
--- a/lib/llist.c
+++ b/lib/llist.c
@@ -66,10 +66,7 @@ struct llist_node *llist_del_first(struct llist_head *head)
{
struct llist_node *entry, *old_entry, *next;
- entry = smp_load_acquire(&head->first);
- for (;;) {
- if (entry == NULL)
- return NULL;
+ for (entry = smp_load_acquire(&head->first); entry ; ) {
old_entry = entry;
next = READ_ONCE(entry->next);
entry = cmpxchg(&head->first, old_entry, next);
--
2.6.1
--
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