From: Yehuda Sadeh Date: Fri, 3 Sep 2010 19:57:11 +0000 (-0700) Subject: ceph: fix pagelist kunmap tail X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=3d4401d9d0aef5c40706350685ddea3df6708496;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git ceph: fix pagelist kunmap tail A wrong parameter was passed to the kunmap. Signed-off-by: Yehuda Sadeh Signed-off-by: Sage Weil --- diff --git a/fs/ceph/pagelist.c b/fs/ceph/pagelist.c index b6859f47d36..46a368b6dce 100644 --- a/fs/ceph/pagelist.c +++ b/fs/ceph/pagelist.c @@ -5,10 +5,18 @@ #include "pagelist.h" +static void ceph_pagelist_unmap_tail(struct ceph_pagelist *pl) +{ + struct page *page = list_entry(pl->head.prev, struct page, + lru); + kunmap(page); +} + int ceph_pagelist_release(struct ceph_pagelist *pl) { if (pl->mapped_tail) - kunmap(pl->mapped_tail); + ceph_pagelist_unmap_tail(pl); + while (!list_empty(&pl->head)) { struct page *page = list_first_entry(&pl->head, struct page, lru); @@ -26,7 +34,7 @@ static int ceph_pagelist_addpage(struct ceph_pagelist *pl) pl->room += PAGE_SIZE; list_add_tail(&page->lru, &pl->head); if (pl->mapped_tail) - kunmap(pl->mapped_tail); + ceph_pagelist_unmap_tail(pl); pl->mapped_tail = kmap(page); return 0; }