1 files changed, 3 insertions, 0 deletions

diff --git a/arch/sparc/net/bpf_jit_asm.S b/arch/sparc/net/bpf_jit_asm.S
index 9d016c7017f7..8c83f4b8eb15 100644
--- a/arch/sparc/net/bpf_jit_asm.S
+++ b/arch/sparc/net/bpf_jit_asm.S
@@ -6,10 +6,12 @@
 #define SAVE_SZ         176
 #define SCRATCH_OFF     STACK_BIAS + 128
 #define BE_PTR(label)   be,pn %xcc, label
+#define SIGN_EXTEND(reg)        sra reg, 0, reg
 #else
 #define SAVE_SZ         96
 #define SCRATCH_OFF     72
 #define BE_PTR(label)   be label
+#define SIGN_EXTEND(reg)
 #endif
 
 #define SKF_MAX_NEG_OFF (-0x200000) /* SKF_LL_OFF from filter.h */
@@ -135,6 +137,7 @@ bpf_slow_path_byte_msh:
         save    %sp, -SAVE_SZ, %sp;                     \
         mov     %i0, %o0;                               \
         mov     r_OFF, %o1;                             \
+        SIGN_EXTEND(%o1);                               \
         call    bpf_internal_load_pointer_neg_helper;   \
          mov    (LEN), %o2;                             \
         mov     %o0, r_TMP;                             \