diff options
| author | Miaohe Lin <linmiaohe@huawei.com> | 2022-05-31 20:26:43 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-06-09 10:23:28 +0200 |
| commit | fd9a5081ee3311a3ceee9f0f3ddbf508e119b580 (patch) | |
| tree | 19427284f5213ef3a894e1ea7e01632317367e7c /mm | |
| parent | 715455ca5e81cc28ee3d606cce5c223e26b5ad24 (diff) | |
| download | linux-fd9a5081ee3311a3ceee9f0f3ddbf508e119b580.tar.gz linux-fd9a5081ee3311a3ceee9f0f3ddbf508e119b580.tar.bz2 linux-fd9a5081ee3311a3ceee9f0f3ddbf508e119b580.zip | |
mm/memremap: fix missing call to untrack_pfn() in pagemap_range()
commit a04e1928e2ead144dc2f369768bc0a0f3110af89 upstream.
We forget to call untrack_pfn() to pair with track_pfn_remap() when range
is not allowed to hotplug. Fix it by jump err_kasan.
Link: https://lkml.kernel.org/r/20220531122643.25249-1-linmiaohe@huawei.com
Fixes: bca3feaa0764 ("mm/memory_hotplug: prevalidate the address range being added with platform")
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Acked-by: Muchun Song <songmuchun@bytedance.com>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/memremap.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/memremap.c b/mm/memremap.c index ed593bf87109..e77487375c8e 100644 --- a/mm/memremap.c +++ b/mm/memremap.c @@ -245,7 +245,7 @@ static int pagemap_range(struct dev_pagemap *pgmap, struct mhp_params *params, if (!mhp_range_allowed(range->start, range_len(range), !is_private)) { error = -EINVAL; - goto err_pfn_remap; + goto err_kasan; } mem_hotplug_begin(); |