[IA64] bte_copy of BTE_MAX_XFER trips BUG_ON.

[pandora-kernel.git] / arch / ia64 / sn / kernel / bte.c

diff --git a/arch/ia64/sn/kernel/bte.c b/arch/ia64/sn/kernel/bte.c
index 9456d40..c6d6b62 100644 (file)
--- a/arch/ia64/sn/kernel/bte.c
+++ b/arch/ia64/sn/kernel/bte.c
@@ -97,9 +97,10 @@ bte_result_t bte_copy(u64 src, u64 dest, u64 len, u64 mode, void *notification)
                return BTE_SUCCESS;
        }
 
-       BUG_ON((len & L1_CACHE_MASK) ||
-                (src & L1_CACHE_MASK) || (dest & L1_CACHE_MASK));
-       BUG_ON(!(len < ((BTE_LEN_MASK + 1) << L1_CACHE_SHIFT)));
+       BUG_ON(len & L1_CACHE_MASK);
+       BUG_ON(src & L1_CACHE_MASK);
+       BUG_ON(dest & L1_CACHE_MASK);
+       BUG_ON(len > BTE_MAX_XFER);
 
        /*
         * Start with interface corresponding to cpu number