1 files changed, 17 insertions, 4 deletions

diff --git a/net/core/filter.c b/net/core/filter.c
index 78d00933dbe7..5afe3ac191ec 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -514,14 +514,27 @@ do_pass:
                                 break;
                         }
 
-                        /* Convert JEQ into JNE when 'jump_true' is next insn. */
-                        if (fp->jt == 0 && BPF_OP(fp->code) == BPF_JEQ) {
-                                insn->code = BPF_JMP | BPF_JNE | bpf_src;
+                        /* Convert some jumps when 'jump_true' is next insn. */
+                        if (fp->jt == 0) {
+                                switch (BPF_OP(fp->code)) {
+                                case BPF_JEQ:
+                                        insn->code = BPF_JMP | BPF_JNE | bpf_src;
+                                        break;
+                                case BPF_JGT:
+                                        insn->code = BPF_JMP | BPF_JLE | bpf_src;
+                                        break;
+                                case BPF_JGE:
+                                        insn->code = BPF_JMP | BPF_JLT | bpf_src;
+                                        break;
+                                default:
+                                        goto jmp_rest;
+                                }
+
                                 target = i + fp->jf + 1;
                                 BPF_EMIT_JMP;
                                 break;
                         }
-
+jmp_rest:
                         /* Other jumps are mapped into two insns: Jxx and JA. */
                         target = i + fp->jt + 1;
                         insn->code = BPF_JMP | BPF_OP(fp->code) | bpf_src;