04ea63e34a
Fix the following coccicheck warning: ./tools/testing/selftests/bpf/progs/test_global_func10.c:17:12-13: WARNING comparing pointer to 0. Reported-by: Abaci Robot <abaci@linux.alibaba.com> Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/1615357366-97612-1-git-send-email-jiapeng.chong@linux.alibaba.com
30 lines
441 B
C
30 lines
441 B
C
// SPDX-License-Identifier: GPL-2.0-only
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#include <stddef.h>
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#include <linux/bpf.h>
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#include <bpf/bpf_helpers.h>
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struct Small {
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int x;
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};
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struct Big {
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int x;
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int y;
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};
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__noinline int foo(const struct Big *big)
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{
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if (!big)
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return 0;
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return bpf_get_prandom_u32() < big->y;
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}
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SEC("cgroup_skb/ingress")
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int test_cls(struct __sk_buff *skb)
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{
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const struct Small small = {.x = skb->len };
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return foo((struct Big *)&small) ? 1 : 0;
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}
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