---

yaml --- r: 291616 b: refs/heads/master c: dc72d99 h: refs/heads/master v: v3
git-mirror · Mar 19, 2012 · 5b567f1 · 5b567f1
1 parent e96031c
commit 5b567f1
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Showing 2 changed files with 6 additions and 10 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 3af79302b400e05b45e377993a8870869500466b
+refs/heads/master: dc72d99dabb870ca5bd6d9fff674be853bb4a88d
diff --git a/trunk/arch/x86/net/bpf_jit_comp.c b/trunk/arch/x86/net/bpf_jit_comp.c
@@ -475,8 +475,10 @@ void bpf_jit_compile(struct sk_filter *fp)
 			case BPF_S_LD_W_ABS:
 				func = sk_load_word;
 common_load:			seen |= SEEN_DATAREF;
-				if ((int)K < 0)
+				if ((int)K < 0) {
+					/* Abort the JIT because __load_pointer() is needed. */
 					goto out;
+				}
 				t_offset = func - (image + addrs[i]);
 				EMIT1_off32(0xbe, K); /* mov imm32,%esi */
 				EMIT1_off32(0xe8, t_offset); /* call */
@@ -489,14 +491,8 @@ common_load:			seen |= SEEN_DATAREF;
 				goto common_load;
 			case BPF_S_LDX_B_MSH:
 				if ((int)K < 0) {
-					if (pc_ret0 > 0) {
-						/* addrs[pc_ret0 - 1] is the start address */
-						EMIT_JMP(addrs[pc_ret0 - 1] - addrs[i]);
-						break;
-					}
-					CLEAR_A();
-					EMIT_JMP(cleanup_addr - addrs[i]);
-					break;
+					/* Abort the JIT because __load_pointer() is needed. */
+					goto out;
 				}
 				seen |= SEEN_DATAREF | SEEN_XREG;
 				t_offset = sk_load_byte_msh - (image + addrs[i]);