Do not ignore errors in crypto backend (loopaes mode).

git-svn-id: https://cryptsetup.googlecode.com/svn/trunk@452 36d66b0a-2a48-0410-832c-cd162a569da5

diff --git a/lib/loopaes/loopaes.c b/lib/loopaes/loopaes.c
index 5e7ad20..3f0f055 100644 (file)
--- a/lib/loopaes/loopaes.c
+++ b/lib/loopaes/loopaes.c
@@ -54,13 +54,17 @@ static int hash_key(const char *src, size_t src_len,
                    const char *hash_name)
 {
        struct crypt_hash *hd = NULL;
+       int r;
 
        if (crypt_hash_init(&hd, hash_name))
                return -EINVAL;
-       crypt_hash_write(hd, src, src_len);
-       crypt_hash_final(hd, dst, dst_len);
+
+       r = crypt_hash_write(hd, src, src_len);
+       if (!r)
+               r = crypt_hash_final(hd, dst, dst_len);
+out:
        crypt_hash_destroy(hd);
-       return 0;
+       return r;
 }
 
 static int hash_keys(struct volume_key **vk,