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mm/vmscan.c: fix mapping use after free
[sfrench/cifs-2.6.git]
/
mm
/
vmscan.c
diff --git
a/mm/vmscan.c
b/mm/vmscan.c
index 199fa436c0ddfc49566a1221af9c3da788359b45..b94fe1b3da435f34f567e8a23358ec18ccd452ad 100644
(file)
--- a/
mm/vmscan.c
+++ b/
mm/vmscan.c
@@
-298,7
+298,7
@@
static int may_write_to_queue(struct backing_dev_info *bdi)
static void handle_write_error(struct address_space *mapping,
struct page *page, int error)
{
- lock_page(page);
+ lock_page
_nosync
(page);
if (page_mapping(page) == mapping)
mapping_set_error(mapping, error);
unlock_page(page);