1 files changed, 4 insertions, 5 deletions

diff --git a/arch/ia64/sn/kernel/bte.c b/arch/ia64/sn/kernel/bte.c
index 7f73ad4408aa..ff1c55601178 100644
--- a/arch/ia64/sn/kernel/bte.c
+++ b/arch/ia64/sn/kernel/bte.c
@@ -381,14 +381,13 @@ bte_result_t bte_unaligned_copy(u64 src, u64 dest, u64 len, u64 mode)
                  * bcopy to the destination.
                  */
 
-                /* Add the leader from source */
-                headBteLen = len + (src & L1_CACHE_MASK);
-                /* Add the trailing bytes from footer. */
-                headBteLen += L1_CACHE_BYTES - (headBteLen & L1_CACHE_MASK);
-                headBteSource = src & ~L1_CACHE_MASK;
                 headBcopySrcOffset = src & L1_CACHE_MASK;
                 headBcopyDest = dest;
                 headBcopyLen = len;
+
+                headBteSource = src - headBcopySrcOffset;
+                /* Add the leading and trailing bytes from source */
+                headBteLen = L1_CACHE_ALIGN(len + headBcopySrcOffset);
         }
 
         if (headBcopyLen > 0) {