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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-05-23 10:13:53 +0900 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-05-23 10:13:53 +0900 |
| commit | cbfef53360ea88fa7ef9f80def778fba9b05d21e (patch) | |
| tree | 9e23ee08206ec0304e25e8a93eabc2d5bcd8ae9c /drivers/md/dm-verity.c | |
| parent | d35cc56ddfc948d8df1aa6d41ac345fcec01854d (diff) | |
| parent | 4b660a7f5c8099d88d1a43d8ae138965112592c7 (diff) | |
Merge 3.15-rc6 into driver-core-next
We want the kernfs fixes in this branch as well for testing.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/md/dm-verity.c')
| -rw-r--r-- | drivers/md/dm-verity.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/md/dm-verity.c b/drivers/md/dm-verity.c index 796007a5e0e1..7a7bab8947ae 100644 --- a/drivers/md/dm-verity.c +++ b/drivers/md/dm-verity.c @@ -330,15 +330,17 @@ test_block_hash: return r; } } - todo = 1 << v->data_dev_block_bits; - while (io->iter.bi_size) { + do { u8 *page; + unsigned len; struct bio_vec bv = bio_iter_iovec(bio, io->iter); page = kmap_atomic(bv.bv_page); - r = crypto_shash_update(desc, page + bv.bv_offset, - bv.bv_len); + len = bv.bv_len; + if (likely(len >= todo)) + len = todo; + r = crypto_shash_update(desc, page + bv.bv_offset, len); kunmap_atomic(page); if (r < 0) { @@ -346,8 +348,9 @@ test_block_hash: return r; } - bio_advance_iter(bio, &io->iter, bv.bv_len); - } + bio_advance_iter(bio, &io->iter, len); + todo -= len; + } while (todo); if (!v->version) { r = crypto_shash_update(desc, v->salt, v->salt_size); |