From: Mathieu Malaterre <malat@xxxxxxxxxx> Subject: ipc: annotate implicit fall through There is a plan to build the kernel with -Wimplicit-fallthrough and this place in the code produced a warning (W=1). This commit remove the following warning: ipc/sem.c:1683:6: warning: this statement may fall through [-Wimplicit-fallthrough=] Link: http://lkml.kernel.org/r/20190114203608.18218-1-malat@xxxxxxxxxx Signed-off-by: Mathieu Malaterre <malat@xxxxxxxxxx> Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- --- a/ipc/sem.c~ipc-annotate-implicit-fall-through +++ a/ipc/sem.c @@ -1680,6 +1680,7 @@ static long ksys_semctl(int semid, int s case IPC_SET: if (copy_semid_from_user(&semid64, p, version)) return -EFAULT; + /* fall through */ case IPC_RMID: return semctl_down(ns, semid, cmd, &semid64); default: _
