linux-kernel - [PATCH v3 net-next] bpf: s390: Fix build error caused by the struct bpf

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Message-ID: <1439283411-163308-1-git-send-email-xiakaixu@huawei.com>
Date:	Tue, 11 Aug 2015 08:56:51 +0000
From:	Kaixu Xia <xiakaixu@...wei.com>
To:	<daniel@...earbox.net>, <fengguang.wu@...el.com>,
	<davem@...emloft.net>, <ast@...mgrid.com>,
	<schwidefsky@...ibm.com>, <heiko.carstens@...ibm.com>
CC:	<linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>,
	<wangnan0@...wei.com>, <xiakaixu@...wei.com>
Subject: [PATCH v3 net-next] bpf: s390: Fix build error caused by the struct bpf_array member name changed

There is a build error that "'struct bpf_array' has no member
named 'prog'" on s390. In commit 2a36f0b92eb6 ("bpf: Make the
bpf_prog_array_map more generic"), the member 'prog' of struct
bpf_array is replaced by 'ptrs'. So this patch fixes it.

Fixes: 2a36f0b92eb6 ("bpf: Make the bpf_prog_array_map more generic")
Reported-by: Wu Fengguang <fengguang.wu@...el.com>
Signed-off-by: Kaixu Xia <xiakaixu@...wei.com>
---
 arch/s390/net/bpf_jit_comp.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c
index 9f4bbc0..eeda051 100644
--- a/arch/s390/net/bpf_jit_comp.c
+++ b/arch/s390/net/bpf_jit_comp.c
@@ -1032,7 +1032,7 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp, int i
 				      MAX_TAIL_CALL_CNT, 0, 0x2);
 
 		/*
-		 * prog = array->prog[index];
+		 * prog = array->ptrs[index];
 		 * if (prog == NULL)
 		 *         goto out;
 		 */
@@ -1041,7 +1041,7 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp, int i
 		EMIT6_DISP_LH(0xeb000000, 0x000d, REG_1, BPF_REG_3, REG_0, 3);
 		/* lg %r1,prog(%b2,%r1) */
 		EMIT6_DISP_LH(0xe3000000, 0x0004, REG_1, BPF_REG_2,
-			      REG_1, offsetof(struct bpf_array, prog));
+			      REG_1, offsetof(struct bpf_array, ptrs));
 		/* clgij %r1,0,0x8,label0 */
 		EMIT6_PCREL_IMM_LABEL(0xec000000, 0x007d, REG_1, 0, 0, 0x8);
 
-- 
1.8.3.4

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