[PATCH 3/9] luks2: Fix use of incorrect index and some error messages

[Patrick Steinhardt]

From: Glenn Washburn <development@efficientek.com>

Signed-off-by: Glenn Washburn <development@efficientek.com>
Reviewed-by: Patrick Steinhardt <ps@pks.im>
---
 grub-core/disk/luks2.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/grub-core/disk/luks2.c b/grub-core/disk/luks2.c
index e3ff7c83d..200f81d3a 100644
--- a/grub-core/disk/luks2.c
+++ b/grub-core/disk/luks2.c
@@ -275,34 +275,34 @@ luks2_get_keyslot (grub_luks2_keyslot_t *k, 
grub_luks2_digest_t *d, grub_luks2_s
     return grub_error (GRUB_ERR_BAD_ARGUMENT, "Could not get digests");
   for (j = 0; j < size; j++)
     {
-      if (grub_json_getchild (&digest, &digests, i) ||
+      if (grub_json_getchild (&digest, &digests, j) ||
           grub_json_getchild (&digest, &digest, 0) ||
           luks2_parse_digest (d, &digest))
-       return grub_error (GRUB_ERR_BAD_ARGUMENT, "Could not parse digest 
%"PRIuGRUB_SIZE, i);
+       return grub_error (GRUB_ERR_BAD_ARGUMENT, "Could not parse digest 
%"PRIuGRUB_SIZE, j);
 
       if ((d->keyslots & (1 << idx)))
        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, i);
 
   /* Get segment that matches the digest. */
   if (grub_json_getvalue (&segments, root, "segments") ||
       grub_json_getsize (&size, &segments))
     return grub_error (GRUB_ERR_BAD_ARGUMENT, "Could not get segments");
-  for (j = 0; j < size; j++)
+  for (i = j, j = 0; j < size; j++)
     {
-      if (grub_json_getchild (&segment, &segments, i) ||
+      if (grub_json_getchild (&segment, &segments, j) ||
          grub_json_getuint64 (&idx, &segment, NULL) ||
          grub_json_getchild (&segment, &segment, 0) ||
           luks2_parse_segment (s, &segment))
-       return grub_error (GRUB_ERR_BAD_ARGUMENT, "Could not parse segment 
%"PRIuGRUB_SIZE, i);
+       return grub_error (GRUB_ERR_BAD_ARGUMENT, "Could not parse segment 
%"PRIuGRUB_SIZE, j);
 
       if ((d->segments & (1 << idx)))
        break;
     }
   if (j == size)
-    return grub_error (GRUB_ERR_FILE_NOT_FOUND, "No segment for digest 
%"PRIuGRUB_SIZE);
+    return grub_error (GRUB_ERR_FILE_NOT_FOUND, "No segment for digest 
%"PRIuGRUB_SIZE, i);
 
   return GRUB_ERR_NONE;
 }
-- 
2.28.0

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