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authorIngo Molnar <mingo@kernel.org>2014-07-28 10:03:00 +0200
committerIngo Molnar <mingo@kernel.org>2014-07-28 10:03:00 +0200
commitca5bc6cd5de5b53eb8fd6fea39aa3fe2a1e8c3d9 (patch)
tree75beaae2d4b6bc654eb28994dd5906d8dcf5ef46 /arch/powerpc/net/bpf_jit_comp.c
parentc1221321b7c25b53204447cff9949a6d5a7ddddc (diff)
parentd8d28c8f00e84a72e8bee39a85835635417bee49 (diff)
Merge branch 'sched/urgent' into sched/core, to merge fixes before applying new changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/powerpc/net/bpf_jit_comp.c')
-rw-r--r--arch/powerpc/net/bpf_jit_comp.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/arch/powerpc/net/bpf_jit_comp.c b/arch/powerpc/net/bpf_jit_comp.c
index 6dcdadefd8d..82e82cadcde 100644
--- a/arch/powerpc/net/bpf_jit_comp.c
+++ b/arch/powerpc/net/bpf_jit_comp.c
@@ -390,12 +390,16 @@ static int bpf_jit_build_body(struct sk_filter *fp, u32 *image,
case BPF_ANC | SKF_AD_VLAN_TAG:
case BPF_ANC | SKF_AD_VLAN_TAG_PRESENT:
BUILD_BUG_ON(FIELD_SIZEOF(struct sk_buff, vlan_tci) != 2);
+ BUILD_BUG_ON(VLAN_TAG_PRESENT != 0x1000);
+
PPC_LHZ_OFFS(r_A, r_skb, offsetof(struct sk_buff,
vlan_tci));
- if (code == (BPF_ANC | SKF_AD_VLAN_TAG))
- PPC_ANDI(r_A, r_A, VLAN_VID_MASK);
- else
+ if (code == (BPF_ANC | SKF_AD_VLAN_TAG)) {
+ PPC_ANDI(r_A, r_A, ~VLAN_TAG_PRESENT);
+ } else {
PPC_ANDI(r_A, r_A, VLAN_TAG_PRESENT);
+ PPC_SRWI(r_A, r_A, 12);
+ }
break;
case BPF_ANC | SKF_AD_QUEUE:
BUILD_BUG_ON(FIELD_SIZEOF(struct sk_buff,