luks2: Rename variable "i" to "keyslot_idx" in luks2_get_keyslot()

Variables named "i" are usually looping variables. So, rename it to
"keyslot_idx" to ease luks2_get_keyslot() reading.

Signed-off-by: Glenn Washburn <development@efficientek.com>
Reviewed-by: Patrick Steinhardt <ps@pks.im>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>

diff --git a/grub-core/disk/luks2.c b/grub-core/disk/luks2.c
index be42deb14b0ee187a9541addb943dd539537f4ef..2830f83cf3a83be4b5c6e6b88fc52cc8ac3b63ba 100644 (file)
--- a/grub-core/disk/luks2.c
+++ b/grub-core/disk/luks2.c
@@ -255,7 +255,7 @@ luks2_parse_digest (grub_luks2_digest_t *out, const grub_json_t *digest)
 
 static grub_err_t
 luks2_get_keyslot (grub_luks2_keyslot_t *k, grub_luks2_digest_t *d, grub_luks2_segment_t *s,
-                  const grub_json_t *root, grub_size_t i)
+                  const grub_json_t *root, grub_size_t keyslot_idx)
 {
   grub_json_t keyslots, keyslot, digests, digest, segments, segment;
   grub_size_t j, size;
@@ -263,11 +263,11 @@ luks2_get_keyslot (grub_luks2_keyslot_t *k, grub_luks2_digest_t *d, grub_luks2_s
 
   /* Get nth keyslot */
   if (grub_json_getvalue (&keyslots, root, "keyslots") ||
-      grub_json_getchild (&keyslot, &keyslots, i) ||
+      grub_json_getchild (&keyslot, &keyslots, keyslot_idx) ||
       grub_json_getuint64 (&idx, &keyslot, NULL) ||
       grub_json_getchild (&keyslot, &keyslot, 0) ||
       luks2_parse_keyslot (k, &keyslot))
-    return grub_error (GRUB_ERR_BAD_ARGUMENT, "Could not parse keyslot %"PRIuGRUB_SIZE, i);
+    return grub_error (GRUB_ERR_BAD_ARGUMENT, "Could not parse keyslot %"PRIuGRUB_SIZE, keyslot_idx);
 
   /* Get digest that matches the keyslot. */
   if (grub_json_getvalue (&digests, root, "digests") ||
@@ -284,7 +284,7 @@ luks2_get_keyslot (grub_luks2_keyslot_t *k, grub_luks2_digest_t *d, grub_luks2_s
        break;
     }
   if (j == size)
-      return grub_error (GRUB_ERR_FILE_NOT_FOUND, "No digest for keyslot %"PRIuGRUB_SIZE);
+      return grub_error (GRUB_ERR_FILE_NOT_FOUND, "No digest for keyslot %"PRIuGRUB_SIZE, keyslot_idx);
 
   /* Get segment that matches the digest. */
   if (grub_json_getvalue (&segments, root, "segments") ||