1 files changed, 2 insertions, 1 deletions

diff --git a/arch/ia64/lib/ip_fast_csum.S b/arch/ia64/lib/ip_fast_csum.S
index 4fb132ee207a..1f86aeb2c948 100644
--- a/arch/ia64/lib/ip_fast_csum.S
+++ b/arch/ia64/lib/ip_fast_csum.S
@@ -68,8 +68,9 @@ GLOBAL_ENTRY(ip_fast_csum)
         zxt2    r20=r20
         ;;
         add     r20=ret0,r20
+        mov     r9=0xffff
         ;;
-        andcm   ret0=-1,r20
+        andcm   ret0=r9,r20
         .restore sp             // reset frame state
         br.ret.sptk.many b0
         ;;