[PATCH] llist: Use for() initializer and conditional

[Pranith Kumar]

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 
---
 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(>first);
-   for (;;) {
-   if (entry == NULL)
-   return NULL;
+   for (entry = smp_load_acquire(>first); entry ; ) {
old_entry = entry;
next = READ_ONCE(entry->next);
entry = cmpxchg(>first, old_entry, next);
-- 
2.6.1

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[PATCH] llist: Use for() initializer and conditional

[Pranith Kumar]

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 
---
 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(>first);
-   for (;;) {
-   if (entry == NULL)
-   return NULL;
+   for (entry = smp_load_acquire(>first); entry ; ) {
old_entry = entry;
next = READ_ONCE(entry->next);
entry = cmpxchg(>first, old_entry, next);
-- 
2.6.1

--
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Please read the FAQ at  http://www.tux.org/lkml/