* [PATCH] llist: Use for conditional in llist_del_first()
@ 2015-10-29 3:53 Pranith Kumar
0 siblings, 0 replies; only message in thread
From: Pranith Kumar @ 2015-10-29 3:53 UTC (permalink / raw)
To: Rasmus Villemoes, Andrew Morton, open list
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.prani@gmail.com>
---
lib/llist.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/lib/llist.c b/lib/llist.c
index 0b0e977..03d7aad 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 = head->first;
- for (;;) {
- if (entry == NULL)
- return NULL;
+ for (entry = head->first; entry ;) {
old_entry = entry;
next = entry->next;
entry = cmpxchg(&head->first, old_entry, next);
--
2.6.2
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