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

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am: 2c290eede9

Change-Id: I1aefdd04229ab592d2978115d311317a3c6a28d0
This commit is contained in:
Minchan Kim
2017-03-12 08:17:39 +00:00
committed by android-build-merger
parent c4457b4de6 2c290eede9
commit 111bbe06e4
1 changed files with 5 additions and 2 deletions
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7
mm/filemap.c
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@@ -910,9 +910,12 @@ void page_endio(struct page *page, bool is_write, int err)
unlock_page(page);
} else {
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);
}