From d2c9740b499f959ed513375b6e35c2ab161921cb Mon Sep 17 00:00:00 2001 From: Denis Cheng Date: Tue, 16 Oct 2007 23:26:14 -0700 Subject: [PATCH] nbd: use list_for_each_entry_safe to make it more consolidated and readable Thus the traverse of the loop may delete nodes, use the safe version. Signed-off-by: Denis Cheng Cc: Paul Clements Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/block/nbd.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index be5ec3a9b1fc..d7a421579908 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -233,8 +233,7 @@ error_out: static struct request *nbd_find_request(struct nbd_device *lo, char *handle) { - struct request *req; - struct list_head *tmp; + struct request *req, *tmp; struct request *xreq; int err; @@ -245,8 +244,7 @@ static struct request *nbd_find_request(struct nbd_device *lo, char *handle) goto out; spin_lock(&lo->queue_lock); - list_for_each(tmp, &lo->queue_head) { - req = list_entry(tmp, struct request, queuelist); + list_for_each_entry_safe(req, tmp, &lo->queue_head, queuelist) { if (req != xreq) continue; list_del_init(&req->queuelist); -- 2.20.1