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bpf: Fix 'dubious one-bit signed bitfield' warnings
Our CI[1] reported these warnings when using Sparse:
$ touch net/mptcp/bpf.c
$ make C=1 net/mptcp/bpf.o
net/mptcp/bpf.c: note: in included file:
include/linux/bpf_verifier.h:348:26: error: dubious one-bit signed bitfield
include/linux/bpf_verifier.h:349:29: error: dubious one-bit signed bitfield
Set them as 'unsigned' to avoid warnings.
[1] https://github.com/multipath-tcp/mptcp_net-next/actions/runs/2643588487
Fixes: 1ade237119
("bpf: Inline calls to bpf_loop when callback is known")
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/bpf/20220711081200.2081262-1-matthieu.baerts@tessares.net
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@ -345,10 +345,10 @@ struct bpf_verifier_state_list {
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};
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struct bpf_loop_inline_state {
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int initialized:1; /* set to true upon first entry */
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int fit_for_inline:1; /* true if callback function is the same
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* at each call and flags are always zero
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*/
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unsigned int initialized:1; /* set to true upon first entry */
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unsigned int fit_for_inline:1; /* true if callback function is the same
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* at each call and flags are always zero
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*/
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u32 callback_subprogno; /* valid when fit_for_inline is true */
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};
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