Re: [PATCH][next] bpf: verifier: Use fallthrough pseudo-keyword

2020-10-02 Thread Yonghong Song




On 10/2/20 4:42 PM, Gustavo A. R. Silva wrote:

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 


Acked-by: Yonghong Song 


[PATCH][next] bpf: verifier: Use fallthrough pseudo-keyword

2020-10-02 Thread Gustavo A. R. Silva
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 
---
 kernel/bpf/verifier.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 015a1c074b6b..fcef04b80b66 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -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:
-- 
2.27.0