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bpf: verifier: Use fallthrough pseudo-keyword

PATCH In review Gustavo A. R. Silva 2 participants 2 messages Oct 2, 2020 – Oct 3, 2020

Subsystems (4)
Networking Network drivers BPF BPF core
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Gustavo A. R. Silva

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PATCH 1/1 bpf: verifier: Use fallthrough pseudo-keyword

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 <[email protected]>
---
 kernel/bpf/verifier.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
kernel/bpf/verifier.c +2 -2
index 015a1c074b6b..fcef04b80b66 100644
@@ -2667,7 +2667,7 @@ static bool may_access_direct_pkt_data(struct bpf_verifier_env *env,
 	case BPF_PROG_TYPE_CGROUP_SKB:
 		if (t == BPF_WRITE)
 			return false;
-		/* fallthrough */
+		fallthrough;
 
 	/* Program types with direct read + write access go here! */
 	case BPF_PROG_TYPE_SCHED_CLS:

@@ -5432,7 +5432,7 @@ static int adjust_ptr_min_max_vals(struct bpf_verifier_env *env,
 		/* smin_val represents the known value */
 		if (known && smin_val == 0 && opcode == BPF_ADD)
 			break;
-		/* fall-through */
+		fallthrough;
 	case PTR_TO_PACKET_END:
 	case PTR_TO_SOCKET:
 	case PTR_TO_SOCKET_OR_NULL:
Signature · 1 line
2.27.0