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mm: do not access page->mapping directly on page_endio

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am: c5c893e7c4

Change-Id: Ic37f4022408ccc77d7702ebc4be606bd94ad20e1
This commit is contained in:
Minchan Kim
2017-03-12 08:15:36 +00:00
committed by android-build-merger
parent 5cc4831e1b c5c893e7c4
commit 656fedaf74
1 changed files with 5 additions and 2 deletions
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7
mm/filemap.c
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@@ -865,9 +865,12 @@ void page_endio(struct page *page, int rw, int err)
unlock_page(page);
} else { /* rw == WRITE */
if (err) {
struct address_space *mapping;
SetPageError(page);
if (page->mapping)
mapping_set_error(page->mapping, err);
mapping = page_mapping(page);
if (mapping)
mapping_set_error(mapping, err);
}
end_page_writeback(page);
}