diff options
Diffstat (limited to 'drivers/block/cryptoloop.c')
| -rw-r--r-- | drivers/block/cryptoloop.c | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/drivers/block/cryptoloop.c b/drivers/block/cryptoloop.c index 40535036e89..99e773cb70d 100644 --- a/drivers/block/cryptoloop.c +++ b/drivers/block/cryptoloop.c @@ -25,9 +25,9 @@ #include <linux/string.h> #include <linux/crypto.h> #include <linux/blkdev.h> -#include <linux/loop.h> -#include <asm/semaphore.h> +#include <linux/scatterlist.h> #include <asm/uaccess.h> +#include "loop.h" MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("loop blockdevice transferfunction adaptor / CryptoAPI"); @@ -119,14 +119,17 @@ cryptoloop_transfer(struct loop_device *lo, int cmd, .tfm = tfm, .flags = CRYPTO_TFM_REQ_MAY_SLEEP, }; - struct scatterlist sg_out = { NULL, }; - struct scatterlist sg_in = { NULL, }; + struct scatterlist sg_out; + struct scatterlist sg_in; encdec_cbc_t encdecfunc; struct page *in_page, *out_page; unsigned in_offs, out_offs; int err; + sg_init_table(&sg_out, 1); + sg_init_table(&sg_in, 1); + if (cmd == READ) { in_page = raw_page; in_offs = raw_off; @@ -146,13 +149,8 @@ cryptoloop_transfer(struct loop_device *lo, int cmd, u32 iv[4] = { 0, }; iv[0] = cpu_to_le32(IV & 0xffffffff); - sg_in.page = in_page; - sg_in.offset = in_offs; - sg_in.length = sz; - - sg_out.page = out_page; - sg_out.offset = out_offs; - sg_out.length = sz; + sg_set_page(&sg_in, in_page, sz, in_offs); + sg_set_page(&sg_out, out_page, sz, out_offs); desc.info = iv; err = encdecfunc(&desc, &sg_out, &sg_in, sz); |