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[PULL,42/52] crypto: Use DIV_ROUND_UP

Message ID da39ede7a38ad2a3e482a2f92b708d5a22284f10.1465112552.git.mjt@msgid.tls.msk.ru
State New
Headers show

Commit Message

Michael Tokarev June 5, 2016, 7:43 a.m. UTC 
From: Laurent Vivier <lvivier@redhat.com>

Replace (((n) + (d) - 1) /(d)) by DIV_ROUND_UP(n,d).

This patch is the result of coccinelle script
scripts/coccinelle/round.cocci

CC: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
---
 crypto/block-luks.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)
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Patch

diff --git a/crypto/block-luks.c b/crypto/block-luks.c
index 17c4300..63649f1 100644
--- a/crypto/block-luks.c
+++ b/crypto/block-luks.c
@@ -1081,8 +1081,7 @@  qcrypto_block_luks_create(QCryptoBlock *block,
         luks->header.key_slots[i].key_offset =
             (QCRYPTO_BLOCK_LUKS_KEY_SLOT_OFFSET /
              QCRYPTO_BLOCK_LUKS_SECTOR_SIZE) +
-            (ROUND_UP(((splitkeylen + (QCRYPTO_BLOCK_LUKS_SECTOR_SIZE - 1)) /
-                       QCRYPTO_BLOCK_LUKS_SECTOR_SIZE),
+            (ROUND_UP(DIV_ROUND_UP(splitkeylen, QCRYPTO_BLOCK_LUKS_SECTOR_SIZE),
                       (QCRYPTO_BLOCK_LUKS_KEY_SLOT_OFFSET /
                        QCRYPTO_BLOCK_LUKS_SECTOR_SIZE)) * i);
     }
@@ -1182,8 +1181,7 @@  qcrypto_block_luks_create(QCryptoBlock *block,
     luks->header.payload_offset =
         (QCRYPTO_BLOCK_LUKS_KEY_SLOT_OFFSET /
          QCRYPTO_BLOCK_LUKS_SECTOR_SIZE) +
-        (ROUND_UP(((splitkeylen + (QCRYPTO_BLOCK_LUKS_SECTOR_SIZE - 1)) /
-                   QCRYPTO_BLOCK_LUKS_SECTOR_SIZE),
+        (ROUND_UP(DIV_ROUND_UP(splitkeylen, QCRYPTO_BLOCK_LUKS_SECTOR_SIZE),
                   (QCRYPTO_BLOCK_LUKS_KEY_SLOT_OFFSET /
                    QCRYPTO_BLOCK_LUKS_SECTOR_SIZE)) *
          QCRYPTO_BLOCK_LUKS_NUM_KEY_SLOTS);