powerpc/ebpf32: Fix comment on BPF_ALU{64} | BPF_LSH | BPF_K

Replace <<== by <<=

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/34d12a4f75cb8b53a925fada5e7ddddd3b145203.1618227846.git.christophe.leroy@csgroup.eu

diff --git a/arch/powerpc/net/bpf_jit_comp32.c b/arch/powerpc/net/bpf_jit_comp32.c
index 0038432..ca6fe15 100644 (file)
--- a/arch/powerpc/net/bpf_jit_comp32.c
+++ b/arch/powerpc/net/bpf_jit_comp32.c
@@ -559,12 +559,12 @@ int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, struct codegen_context *
                        EMIT(PPC_RAW_SLW(dst_reg, dst_reg, src_reg));
                        EMIT(PPC_RAW_OR(dst_reg_h, dst_reg_h, __REG_R0));
                        break;
-               case BPF_ALU | BPF_LSH | BPF_K: /* (u32) dst <<== (u32) imm */
+               case BPF_ALU | BPF_LSH | BPF_K: /* (u32) dst <<= (u32) imm */
                        if (!imm)
                                break;
                        EMIT(PPC_RAW_SLWI(dst_reg, dst_reg, imm));
                        break;
-               case BPF_ALU64 | BPF_LSH | BPF_K: /* dst <<== imm */
+               case BPF_ALU64 | BPF_LSH | BPF_K: /* dst <<= imm */
                        if (imm < 0)
                                return -EINVAL;
                        if (!imm)