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[zfs-grub.git] / pvepatches / zfscrypt-Add-missing-explicit-cast.patch

From 916733ea6ae90c56797d39bb41b72427da3e1e4f Mon Sep 17 00:00:00 2001
From: Vladimir Serbinenko <phcoder@gmail.com>
Date: Tue, 27 Jan 2015 15:35:37 +0000
Subject: fs/zfscrypt: Add missing explicit cast.

Found by: Coverity scan.
---
(limited to 'grub-core/fs/zfs')

diff --git a/grub-core/fs/zfs/zfscrypt.c b/grub-core/fs/zfs/zfscrypt.c
index 88dae72..91a0af6 100644
--- a/grub-core/fs/zfs/zfscrypt.c
+++ b/grub-core/fs/zfs/zfscrypt.c
@@ -238,7 +238,7 @@ grub_gcm_decrypt (grub_crypto_cipher_handle_t cipher,
       grub_crypto_xor (out + 16 * i, in + 16 * i, mul, csize);
     }
   for (j = 0; j < 8; j++)
-    mac[15 - j] ^= ((psize * 8) >> (8 * j));
+    mac[15 - j] ^= ((((grub_uint64_t) psize) * 8) >> (8 * j));
   grub_gcm_mul (mac, h);
 
   if (mac_out)
--
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