diff options
| -rw-r--r-- | arch/sparc/net/bpf_jit_asm.S | 3 | ||||
| -rw-r--r-- | arch/sparc/net/bpf_jit_comp.c | 2 |
2 files changed, 4 insertions, 1 deletions
diff --git a/arch/sparc/net/bpf_jit_asm.S b/arch/sparc/net/bpf_jit_asm.S index 9d016c7017f..8c83f4b8eb1 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; \ diff --git a/arch/sparc/net/bpf_jit_comp.c b/arch/sparc/net/bpf_jit_comp.c index 69d6181a058..8d4152f94c5 100644 --- a/arch/sparc/net/bpf_jit_comp.c +++ b/arch/sparc/net/bpf_jit_comp.c @@ -184,7 +184,7 @@ do { \ */ #define emit_alu_K(OPCODE, K) \ do { \ - if (K) { \ + if (K || OPCODE == AND || OPCODE == MUL) { \ unsigned int _insn = OPCODE; \ _insn |= RS1(r_A) | RD(r_A); \ if (is_simm13(K)) { \ |