netdev - [PATCH -next] selftests/seccomp: Use bitwise instead of arithmetic operator for flags

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Date:   Wed, 15 Apr 2020 12:15:01 +0800
From:   Zou Wei <zou_wei@...wei.com>
To:     <keescook@...omium.org>, <luto@...capital.net>, <wad@...omium.org>,
        <shuah@...nel.org>, <ast@...nel.org>, <daniel@...earbox.net>,
        <kafai@...com>, <songliubraving@...com>, <yhs@...com>,
        <andriin@...com>, <john.fastabend@...il.com>,
        <kpsingh@...omium.org>, <linux-kselftest@...r.kernel.org>,
        <netdev@...r.kernel.org>, <bpf@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC:     Zou Wei <zou_wei@...wei.com>
Subject: [PATCH -next] selftests/seccomp: Use bitwise instead of arithmetic operator for flags

This silences the following coccinelle warning:

"WARNING: sum of probable bitmasks, consider |"

tools/testing/selftests/seccomp/seccomp_bpf.c:3131:17-18: WARNING: sum of probable bitmasks, consider |
tools/testing/selftests/seccomp/seccomp_bpf.c:3133:18-19: WARNING: sum of probable bitmasks, consider |
tools/testing/selftests/seccomp/seccomp_bpf.c:3134:18-19: WARNING: sum of probable bitmasks, consider |
tools/testing/selftests/seccomp/seccomp_bpf.c:3135:18-19: WARNING: sum of probable bitmasks, consider |

Fixes: 6a21cc50f0c7 ("seccomp: add a return code to trap to userspace")
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Zou Wei <zou_wei@...wei.com>
---
 tools/testing/selftests/seccomp/seccomp_bpf.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c
index 89fb3e0..1b4cdf3 100644
--- a/tools/testing/selftests/seccomp/seccomp_bpf.c
+++ b/tools/testing/selftests/seccomp/seccomp_bpf.c
@@ -3128,11 +3128,11 @@ TEST(get_metadata)
 static int user_trap_syscall(int nr, unsigned int flags)
 {
 	struct sock_filter filter[] = {
-		BPF_STMT(BPF_LD+BPF_W+BPF_ABS,
+		BPF_STMT(BPF_LD|BPF_W|BPF_ABS,
 			offsetof(struct seccomp_data, nr)),
-		BPF_JUMP(BPF_JMP+BPF_JEQ+BPF_K, nr, 0, 1),
-		BPF_STMT(BPF_RET+BPF_K, SECCOMP_RET_USER_NOTIF),
-		BPF_STMT(BPF_RET+BPF_K, SECCOMP_RET_ALLOW),
+		BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, nr, 0, 1),
+		BPF_STMT(BPF_RET|BPF_K, SECCOMP_RET_USER_NOTIF),
+		BPF_STMT(BPF_RET|BPF_K, SECCOMP_RET_ALLOW),
 	};
 
 	struct sock_fprog prog = {
-- 
2.6.2