Using list_del_init is generally safer than list_del, and it will
allow us, in a subsequent patch, to see if an entry has already been
processed or not.
Signed-off-by: NeilBrown <neilb@xxxxxxx>
---
net/sunrpc/cache.c | 8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c
index baddb23..9c8f0cc 100644
--- a/net/sunrpc/cache.c
+++ b/net/sunrpc/cache.c
@@ -529,8 +529,8 @@ static int cache_defer_req(struct cache_req *req, struct cache_head *item)
if (++cache_defer_cnt > DFR_MAX) {
dreq = list_entry(cache_defer_list.prev,
struct cache_deferred_req, recent);
- list_del(&dreq->recent);
- list_del(&dreq->hash);
+ list_del_init(&dreq->recent);
+ list_del_init(&dreq->hash);
cache_defer_cnt--;
}
spin_unlock(&cache_defer_lock);
@@ -564,7 +564,7 @@ static void cache_revisit_request(struct cache_head *item)
dreq = list_entry(lp, struct cache_deferred_req, hash);
lp = lp->next;
if (dreq->item == item) {
- list_del(&dreq->hash);
+ list_del_init(&dreq->hash);
list_move(&dreq->recent, &pending);
cache_defer_cnt--;
}
@@ -590,7 +590,7 @@ void cache_clean_deferred(void *owner)
list_for_each_entry_safe(dreq, tmp, &cache_defer_list, recent) {
if (dreq->owner == owner) {
- list_del(&dreq->hash);
+ list_del_init(&dreq->hash);
list_move(&dreq->recent, &pending);
cache_defer_cnt--;
}
--
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