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Remove unnecessary query for volume key size.

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In fact we need only stored key size in examined keyslot. It's valid for
default segment volume keys and in case of non-default segment
keys it always returns -1 and fallbacks to stored key size query
instead.
This commit is contained in:
Ondrej Kozina
2019-11-27 10:11:17 +01:00
parent 7eb47f3db1
commit e52c8e148c
1 changed files with 1 additions and 3 deletions
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4
lib/luks2/luks2_keyslot.c
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@@ -380,9 +380,7 @@ static int LUKS2_open_and_verify(struct crypt_device *cd,
return r; return r;
} }
key_size = LUKS2_get_volume_key_size(hdr, segment); key_size = LUKS2_get_keyslot_stored_key_size(hdr, keyslot);
if (key_size < 0)
key_size = LUKS2_get_keyslot_stored_key_size(hdr, keyslot);
if (key_size < 0) if (key_size < 0)
return -EINVAL; return -EINVAL;