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bpf, verifier: Use fallthrough pseudo-keyword

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Replace /* fallthrough */ comments with the new pseudo-keyword
macro fallthrough [1].

  [1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through

Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/bpf/20201002234217.GA12280@embeddedor
This commit is contained in:
Gustavo A. R. Silva
2020-10-02 18:42:17 -05:00
committed by Daniel Borkmann
parent b75597d894
commit 8731745e48
1 changed files with 2 additions and 2 deletions
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kernel/bpf/verifier.c
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@@ -2673,7 +2673,7 @@ static bool may_access_direct_pkt_data(struct bpf_verifier_env *env,
case BPF_PROG_TYPE_CGROUP_SKB: case BPF_PROG_TYPE_CGROUP_SKB:
if (t == BPF_WRITE) if (t == BPF_WRITE)
return false; return false;
/* fallthrough */ fallthrough;
/* Program types with direct read + write access go here! */ /* Program types with direct read + write access go here! */
case BPF_PROG_TYPE_SCHED_CLS: case BPF_PROG_TYPE_SCHED_CLS:
@@ -5475,7 +5475,7 @@ static int adjust_ptr_min_max_vals(struct bpf_verifier_env *env,
/* smin_val represents the known value */ /* smin_val represents the known value */
if (known && smin_val == 0 && opcode == BPF_ADD) if (known && smin_val == 0 && opcode == BPF_ADD)
break; break;
/* fall-through */ fallthrough;
case PTR_TO_PACKET_END: case PTR_TO_PACKET_END:
case PTR_TO_SOCKET: case PTR_TO_SOCKET:
case PTR_TO_SOCKET_OR_NULL: case PTR_TO_SOCKET_OR_NULL: