From: Andrii Nakryiko <andriin@fb.com>
To: <bpf@vger.kernel.org>, <netdev@vger.kernel.org>, <ast@fb.com>,
<daniel@iogearbox.net>
Cc: <andrii.nakryiko@gmail.com>, <kernel-team@fb.com>,
Andrii Nakryiko <andriin@fb.com>
Subject: [PATCH bpf-next] selftest/bpf: fix compilation warning in sockmap_parse_prog.c
Date: Fri, 13 Mar 2020 16:07:15 -0700 [thread overview]
Message-ID: <20200313230715.3287973-1-andriin@fb.com> (raw)
Cast void * to long before casting to 32-bit __u32 to avoid compilation
warning.
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
---
tools/testing/selftests/bpf/progs/sockmap_parse_prog.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/testing/selftests/bpf/progs/sockmap_parse_prog.c b/tools/testing/selftests/bpf/progs/sockmap_parse_prog.c
index a5c6d5903b22..a9c2bdbd841e 100644
--- a/tools/testing/selftests/bpf/progs/sockmap_parse_prog.c
+++ b/tools/testing/selftests/bpf/progs/sockmap_parse_prog.c
@@ -12,7 +12,7 @@ int bpf_prog1(struct __sk_buff *skb)
__u32 lport = skb->local_port;
__u32 rport = skb->remote_port;
__u8 *d = data;
- __u32 len = (__u32) data_end - (__u32) data;
+ __u32 len = (__u32)(long)data_end - (__u32)(long)data;
int err;
if (data + 10 > data_end) {
--
2.17.1
next reply other threads:[~2020-03-13 23:16 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-13 23:07 Andrii Nakryiko [this message]
2020-03-13 23:53 ` [Potential Spoof] [PATCH bpf-next] selftest/bpf: fix compilation warning in sockmap_parse_prog.c Martin KaFai Lau
2020-03-13 23:58 ` Andrii Nakryiko
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