From fcf3bfb6ffcd03e2b134f6b1c09571351793d50b Mon Sep 17 00:00:00 2001
From: Vladimir 'phcoder' Serbinenko <phcoder@gmail.com>
Date: Sat, 23 Apr 2011 16:45:00 +0200
Subject: [PATCH] small readability improvement

---
 grub-core/disk/luks.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/grub-core/disk/luks.c b/grub-core/disk/luks.c
index 4a35ef011..a9590cab5 100644
--- a/grub-core/disk/luks.c
+++ b/grub-core/disk/luks.c
@@ -637,7 +637,7 @@ luks_setkey (grub_luks_t dev, grub_uint8_t *key, grub_size_t keysize)
       grub_memset (idx, 0, GF_BYTES);
       for (i = 0; i < GRUB_DISK_SECTOR_SIZE; i += GF_BYTES)
 	{
-	  idx[15] = i / GF_BYTES;
+	  idx[GF_BYTES - 1] = i / GF_BYTES;
 	  gf_mul_be (dev->lrw_precalc + i, idx, dev->lrw_key);
 	}
     }