s390/bpf: Fix JMP_JGE_K (A >= K) and JMP_JGT_K (A > K)

[android-x86/kernel.git] / arch / s390 / net / bpf_jit_comp.c

diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c
index 524496d..bbd1981 100644 (file)
--- a/arch/s390/net/bpf_jit_comp.c
+++ b/arch/s390/net/bpf_jit_comp.c
@@ -448,15 +448,12 @@ static int bpf_jit_insn(struct bpf_jit *jit, struct sock_filter *filter,
                mask = 0x800000; /* je */
 kbranch:       /* Emit compare if the branch targets are different */
                if (filter->jt != filter->jf) {
-                       if (K <= 16383)
-                               /* chi %r5,<K> */
-                               EMIT4_IMM(0xa75e0000, K);
-                       else if (test_facility(21))
+                       if (test_facility(21))
                                /* clfi %r5,<K> */
                                EMIT6_IMM(0xc25f0000, K);
                        else
-                               /* c %r5,<d(K)>(%r13) */
-                               EMIT4_DISP(0x5950d000, EMIT_CONST(K));
+                               /* cl %r5,<d(K)>(%r13) */
+                               EMIT4_DISP(0x5550d000, EMIT_CONST(K));
                }
 branch:                if (filter->jt == filter->jf) {
                        if (filter->jt == 0)