treewide: Use fallthrough pseudo-keyword
Replace the existing /* fall through */ comments and its variants with
the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary
fall-through markings when it is the case.
[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>
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index 6ba9d58..5a8e47b 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -1623,7 +1623,7 @@ void xprt_alloc_slot(struct rpc_xprt *xprt, struct rpc_task *task)
case -EAGAIN:
xprt_add_backlog(xprt, task);
dprintk("RPC: waiting for request slot\n");
- /* fall through */
+ fallthrough;
default:
task->tk_status = -EAGAIN;
}