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Re-introduce page mapping check in mark_buffer_dirty()
[pandora-kernel.git]
/
fs
/
buffer.c
diff --git
a/fs/buffer.c
b/fs/buffer.c
index
a3ef091
..
28f320f
100644
(file)
--- a/
fs/buffer.c
+++ b/
fs/buffer.c
@@
-1165,8
+1165,11
@@
void mark_buffer_dirty(struct buffer_head *bh)
if (!test_set_buffer_dirty(bh)) {
struct page *page = bh->b_page;
if (!test_set_buffer_dirty(bh)) {
struct page *page = bh->b_page;
- if (!TestSetPageDirty(page))
- __set_page_dirty(page, page_mapping(page), 0);
+ if (!TestSetPageDirty(page)) {
+ struct address_space *mapping = page_mapping(page);
+ if (mapping)
+ __set_page_dirty(page, mapping, 0);
+ }
}
}
}
}