linux-kernel - [PATCH] UBI: ubi_wl_flush(): Use list_for_each_entry

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Message-Id: <1406446548-5790-1-git-send-email-richard@nod.at>
Date:	Sun, 27 Jul 2014 09:35:48 +0200
From:	Richard Weinberger <richard@....at>
To:	dedekind1@...il.com
Cc:	dwmw2@...radead.org, computersforpeace@...il.com,
	linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Richard Weinberger <richard@....at>
Subject: [PATCH] UBI: ubi_wl_flush(): Use list_for_each_entry_safe()

Use the _safe variant because we're iterating over
a list where items get deleted and freed.

Signed-off-by: Richard Weinberger <richard@....at>
---
 drivers/mtd/ubi/wl.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c
index 0f3425d..20f491713 100644
--- a/drivers/mtd/ubi/wl.c
+++ b/drivers/mtd/ubi/wl.c
@@ -1718,12 +1718,12 @@ int ubi_wl_flush(struct ubi_device *ubi, int vol_id, int lnum)
 	       vol_id, lnum, ubi->works_count);
 
 	while (found) {
-		struct ubi_work *wrk;
+		struct ubi_work *wrk, *tmp;
 		found = 0;
 
 		down_read(&ubi->work_sem);
 		spin_lock(&ubi->wl_lock);
-		list_for_each_entry(wrk, &ubi->works, list) {
+		list_for_each_entry_safe(wrk, tmp, &ubi->works, list) {
 			if ((vol_id == UBI_ALL || wrk->vol_id == vol_id) &&
 			    (lnum == UBI_ALL || wrk->lnum == lnum)) {
 				list_del(&wrk->list);
-- 
2.0.1

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