From: Markos Chandras <markos.chandras@imgtec.com>
Date: Mon, 23 Jun 2014 09:38:50 +0000 (+0100)
Subject: MIPS: bpf: Add SEEN_SKB to flags when looking for the PKT_TYPE
X-Git-Tag: firefly_0821_release~176^2~3687^2~13
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=9eebfe478d1b83389c3ac1bd73a45b6665e356db;p=firefly-linux-kernel-4.4.55.git

MIPS: bpf: Add SEEN_SKB to flags when looking for the PKT_TYPE

The SKF_AD_PKTTYPE uses the skb pointer so make sure it's in the
flags so it will be initialized in time.

Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Daniel Borkmann <dborkman@redhat.com>
Cc: Alexei Starovoitov <ast@plumgrid.com>
Cc: netdev@vger.kernel.org
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/7125/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---

diff --git a/arch/mips/net/bpf_jit.c b/arch/mips/net/bpf_jit.c
index fe5041bdc6fb..8cae27af03da 100644
--- a/arch/mips/net/bpf_jit.c
+++ b/arch/mips/net/bpf_jit.c
@@ -1322,6 +1322,8 @@ jmp_cmp:
 				emit_andi(r_A, r_s0, VLAN_TAG_PRESENT, ctx);
 			break;
 		case BPF_ANC | SKF_AD_PKTTYPE:
+			ctx->flags |= SEEN_SKB;
+
 			off = pkt_type_offset();
 
 			if (off < 0)