From: Dmitrii Banshchikov <me@ubique.spb.ru>
To: bpf@vger.kernel.org
Cc: Dmitrii Banshchikov <me@ubique.spb.ru>,
ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org,
kafai@fb.com, songliubraving@fb.com, yhs@fb.com,
john.fastabend@gmail.com, kpsingh@chromium.org, rdna@fb.com
Subject: [PATCH] selftests/bpf: Fix a compiler warning in global func test
Date: Tue, 23 Feb 2021 12:22:11 +0400 [thread overview]
Message-ID: <20210223082211.302596-1-me@ubique.spb.ru> (raw)
In-Reply-To: <CAEf4BzbbwTeVqP0D_UmYMamfWqp0JSO6TSr_TS-7aoxa-xW3Jg@mail.gmail.com>
Add an explicit 'const void *' cast to pass program ctx pointer type into
a global function that expects pointer to structure.
warning: incompatible pointer types
passing 'struct __sk_buff *' to parameter of type 'const struct S *'
[-Wincompatible-pointer-types]
return foo(skb);
^~~
progs/test_global_func11.c:10:36: note: passing argument to parameter 's' here
__noinline int foo(const struct S *s)
^
Fixes: 8b08807d039a ("selftests/bpf: Add unit tests for pointers in global functions")
Signed-off-by: Dmitrii Banshchikov <me@ubique.spb.ru>
---
tools/testing/selftests/bpf/progs/test_global_func11.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/testing/selftests/bpf/progs/test_global_func11.c b/tools/testing/selftests/bpf/progs/test_global_func11.c
index 28488047c849..ef5277d982d9 100644
--- a/tools/testing/selftests/bpf/progs/test_global_func11.c
+++ b/tools/testing/selftests/bpf/progs/test_global_func11.c
@@ -15,5 +15,5 @@ __noinline int foo(const struct S *s)
SEC("cgroup_skb/ingress")
int test_cls(struct __sk_buff *skb)
{
- return foo(skb);
+ return foo((const void *)skb);
}
--
2.25.1
next prev parent reply other threads:[~2021-02-23 8:23 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-12 20:56 [PATCH v3 bpf-next 0/4] Add support of pointer to struct in global functions Dmitrii Banshchikov
2021-02-12 20:56 ` [PATCH v3 bpf-next 1/4] bpf: Rename bpf_reg_state variables Dmitrii Banshchikov
2021-02-12 21:11 ` Andrii Nakryiko
2021-02-12 20:56 ` [PATCH v3 bpf-next 2/4] bpf: Extract nullable reg type conversion into a helper function Dmitrii Banshchikov
2021-02-12 21:12 ` Andrii Nakryiko
2021-02-12 20:56 ` [PATCH v3 bpf-next 3/4] bpf: Support pointers in global func args Dmitrii Banshchikov
2021-02-12 21:14 ` Andrii Nakryiko
2021-02-13 2:09 ` Alexei Starovoitov
2021-02-15 6:25 ` Dmitrii Banshchikov
2021-02-12 20:56 ` [PATCH v3 bpf-next 4/4] selftests/bpf: Add unit tests for pointers in global functions Dmitrii Banshchikov
2021-02-12 21:15 ` Andrii Nakryiko
2021-02-23 6:43 ` Andrii Nakryiko
2021-02-23 8:22 ` Dmitrii Banshchikov [this message]
2021-02-24 15:50 ` [PATCH] selftests/bpf: Fix a compiler warning in global func test patchwork-bot+netdevbpf
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