[PATCH 1/2] bpf: annotate implicit fall through

From: Mathieu Malaterre
Date: Mon Jan 14 2019 - 15:29:54 EST


There is a plan to build the kernel with -Wimplicit-fallthrough and
this place in the code produced a warnings (W=1).

This commit remove the following warning:

kernel/bpf/cgroup.c:719:6: warning: this statement may fall through [-Wimplicit-fallthrough=]

Signed-off-by: Mathieu Malaterre <malat@xxxxxxxxxx>
---
kernel/bpf/cgroup.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/kernel/bpf/cgroup.c b/kernel/bpf/cgroup.c
index 9425c2fb872f..ab612fe9862f 100644
--- a/kernel/bpf/cgroup.c
+++ b/kernel/bpf/cgroup.c
@@ -718,6 +718,7 @@ cgroup_dev_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog)
case BPF_FUNC_trace_printk:
if (capable(CAP_SYS_ADMIN))
return bpf_get_trace_printk_proto();
+ /* fall through */
default:
return NULL;
}
--
2.19.2