diff options
| author | Christoph Hellwig <hch@lst.de> | 2019-07-11 20:55:20 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-07-12 11:05:43 -0700 |
| commit | 6c45b454191b330c8bc21d1ed3cf39bb6da1a4eb (patch) | |
| tree | b4dfe0460ae4f6449c1735002e62ec345a3979a5 /include | |
| parent | d322a8e5e3e9742fa6b76a207e5df57e03f318f9 (diff) | |
mm/filemap: don't cast ->readpage to filler_t for do_read_cache_page
We can just pass a NULL filler and do the right thing inside of
do_read_cache_page based on the NULL parameter.
Link: http://lkml.kernel.org/r/20190520055731.24538-3-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Kees Cook <keescook@chromium.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Sami Tolvanen <samitolvanen@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/pagemap.h | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index 6fd0d3aa492c..c7552459a15f 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -383,8 +383,7 @@ extern int read_cache_pages(struct address_space *mapping, static inline struct page *read_mapping_page(struct address_space *mapping, pgoff_t index, void *data) { - filler_t *filler = (filler_t *)mapping->a_ops->readpage; - return read_cache_page(mapping, index, filler, data); + return read_cache_page(mapping, index, NULL, data); } /* |