diff options
Diffstat (limited to 'arch/mips/net/bpf_jit.c')
| -rw-r--r-- | arch/mips/net/bpf_jit.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/arch/mips/net/bpf_jit.c b/arch/mips/net/bpf_jit.c index 4505e2e6ab53..6e3963425b64 100644 --- a/arch/mips/net/bpf_jit.c +++ b/arch/mips/net/bpf_jit.c @@ -453,6 +453,17 @@ static inline void emit_wsbh(unsigned int dst, unsigned int src, emit_instr(ctx, wsbh, dst, src); } +/* load pointer to register */ +static inline void emit_load_ptr(unsigned int dst, unsigned int src, + int imm, struct jit_ctx *ctx) +{ + /* src contains the base addr of the 32/64-pointer */ + if (config_enabled(CONFIG_64BIT)) + emit_instr(ctx, ld, dst, imm, src); + else + emit_instr(ctx, lw, dst, imm, src); +} + /* load a function pointer to register */ static inline void emit_load_func(unsigned int reg, ptr imm, struct jit_ctx *ctx) @@ -1277,7 +1288,8 @@ jmp_cmp: /* A = skb->dev->ifindex */ ctx->flags |= SEEN_SKB | SEEN_A | SEEN_S0; off = offsetof(struct sk_buff, dev); - emit_load(r_s0, r_skb, off, ctx); + /* Load *dev pointer */ + emit_load_ptr(r_s0, r_skb, off, ctx); /* error (0) in the delay slot */ emit_bcond(MIPS_COND_EQ, r_s0, r_zero, b_imm(prog->len, ctx), ctx); |