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path: root/drivers/md/dm-crypt.c
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Diffstat (limited to 'drivers/md/dm-crypt.c')
-rw-r--r--drivers/md/dm-crypt.c28
1 files changed, 16 insertions, 12 deletions
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 6c83ad901770..87de0d6b49f2 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -1044,16 +1044,14 @@ static void kcryptd_queue_io(struct dm_crypt_io *io)
queue_work(cc->io_queue, &io->work);
}
-static void kcryptd_crypt_write_io_submit(struct dm_crypt_io *io,
- int error, int async)
+static void kcryptd_crypt_write_io_submit(struct dm_crypt_io *io, int async)
{
struct bio *clone = io->ctx.bio_out;
struct crypt_config *cc = io->target->private;
- if (unlikely(error < 0)) {
+ if (unlikely(io->error < 0)) {
crypt_free_buffer_pages(cc, clone);
bio_put(clone);
- io->error = -EIO;
crypt_dec_pending(io);
return;
}
@@ -1104,12 +1102,16 @@ static void kcryptd_crypt_write_convert(struct dm_crypt_io *io)
sector += bio_sectors(clone);
crypt_inc_pending(io);
+
r = crypt_convert(cc, &io->ctx);
+ if (r < 0)
+ io->error = -EIO;
+
crypt_finished = atomic_dec_and_test(&io->ctx.pending);
/* Encryption was already finished, submit io now */
if (crypt_finished) {
- kcryptd_crypt_write_io_submit(io, r, 0);
+ kcryptd_crypt_write_io_submit(io, 0);
/*
* If there was an error, do not try next fragments.
@@ -1160,11 +1162,8 @@ static void kcryptd_crypt_write_convert(struct dm_crypt_io *io)
crypt_dec_pending(io);
}
-static void kcryptd_crypt_read_done(struct dm_crypt_io *io, int error)
+static void kcryptd_crypt_read_done(struct dm_crypt_io *io)
{
- if (unlikely(error < 0))
- io->error = -EIO;
-
crypt_dec_pending(io);
}
@@ -1179,9 +1178,11 @@ static void kcryptd_crypt_read_convert(struct dm_crypt_io *io)
io->sector);
r = crypt_convert(cc, &io->ctx);
+ if (r < 0)
+ io->error = -EIO;
if (atomic_dec_and_test(&io->ctx.pending))
- kcryptd_crypt_read_done(io, r);
+ kcryptd_crypt_read_done(io);
crypt_dec_pending(io);
}
@@ -1202,15 +1203,18 @@ static void kcryptd_async_done(struct crypto_async_request *async_req,
if (!error && cc->iv_gen_ops && cc->iv_gen_ops->post)
error = cc->iv_gen_ops->post(cc, iv_of_dmreq(cc, dmreq), dmreq);
+ if (error < 0)
+ io->error = -EIO;
+
mempool_free(req_of_dmreq(cc, dmreq), cc->req_pool);
if (!atomic_dec_and_test(&ctx->pending))
return;
if (bio_data_dir(io->base_bio) == READ)
- kcryptd_crypt_read_done(io, error);
+ kcryptd_crypt_read_done(io);
else
- kcryptd_crypt_write_io_submit(io, error, 1);
+ kcryptd_crypt_write_io_submit(io, 1);
}
static void kcryptd_crypt(struct work_struct *work)