LU-9116 libcfs: avoid overflow of crypto bandwidth caculation

[fs/lustre-release.git] / libcfs / libcfs / linux / linux-crypto.c

diff --git a/libcfs/libcfs/linux/linux-crypto.c b/libcfs/libcfs/linux/linux-crypto.c
index a8c2ccd..1a0a105 100644 (file)
--- a/libcfs/libcfs/linux/linux-crypto.c
+++ b/libcfs/libcfs/linux/linux-crypto.c
@@ -319,7 +319,8 @@ static void cfs_crypto_performance_test(enum cfs_crypto_hash_alg hash_alg)
        int                     buf_len = max(PAGE_SIZE, 1048576UL);
        void                    *buf;
        unsigned long           start, end;
-       int                     bcount, err = 0;
+       int                     err = 0;
+       unsigned long           bcount;
        struct page             *page;
        unsigned char           hash[CFS_CRYPTO_HASH_DIGESTSIZE_MAX];
        unsigned int            hash_len = sizeof(hash);