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selftests/bpf: Fix a compiler warning in global func test

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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: 8b08807d03 ("selftests/bpf: Add unit tests for pointers in global functions")
Signed-off-by: Dmitrii Banshchikov <me@ubique.spb.ru>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20210223082211.302596-1-me@ubique.spb.ru
This commit is contained in:
Dmitrii Banshchikov 2021-02-23 12:22:11 +04:00 committed by Daniel Borkmann
parent f4eda8b6e4
commit c41d81bfbb
1 changed files with 1 additions and 1 deletions
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tools/testing/selftests/bpf/progs/test_global_func11.c
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@ -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);
}