linux-kernel - [PATCH] bpfilter: Fix build error with CONFIG_BPFILTER

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Message-ID: <20201014091749.25488-1-yuehaibing@huawei.com>
Date:   Wed, 14 Oct 2020 17:17:49 +0800
From:   YueHaibing <yuehaibing@...wei.com>
To:     <davem@...emloft.net>, <kuba@...nel.org>, <ast@...nel.org>,
        <daniel@...earbox.net>, <kafai@...com>, <songliubraving@...com>,
        <yhs@...com>, <andrii@...nel.org>, <john.fastabend@...il.com>,
        <kpsingh@...omium.org>, <masahiroy@...nel.org>
CC:     <netdev@...r.kernel.org>, <bpf@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, YueHaibing <yuehaibing@...wei.com>
Subject: [PATCH] bpfilter: Fix build error with CONFIG_BPFILTER_UMH

IF CONFIG_BPFILTER_UMH is set, building fails:

In file included from /usr/include/sys/socket.h:33:0,
                 from net/bpfilter/main.c:6:
/usr/include/bits/socket.h:390:10: fatal error: asm/socket.h: No such file or directory
 #include <asm/socket.h>
          ^~~~~~~~~~~~~~
compilation terminated.
scripts/Makefile.userprogs:43: recipe for target 'net/bpfilter/main.o' failed
make[2]: *** [net/bpfilter/main.o] Error 1

Add missing include path to fix this.

Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
 net/bpfilter/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/bpfilter/Makefile b/net/bpfilter/Makefile
index cdac82b8c53a..389ea76ccc0b 100644
--- a/net/bpfilter/Makefile
+++ b/net/bpfilter/Makefile
@@ -5,7 +5,7 @@
 
 userprogs := bpfilter_umh
 bpfilter_umh-objs := main.o
-userccflags += -I $(srctree)/tools/include/ -I $(srctree)/tools/include/uapi
+userccflags += -I $(srctree)/tools/include/ -I $(srctree)/tools/include/uapi -I usr/include/
 
 ifeq ($(CONFIG_BPFILTER_UMH), y)
 # builtin bpfilter_umh should be linked with -static
-- 
2.17.1